instruction manual - Superior Sewing Machine &

R
Computer-controlled, Direct-drive,
High-speed, 1-needle, Lockstitch,
Zigzag Stitching Machine
LZ-2290A / IP-100 / SC-915
INSTRUCTION MANUAL
NOTE :
Read safety instructions carefully and understand them before using.
Retain this Instruction Manual for future reference.
E-No.03
From the library of: Superior Sewing Machine & Supply LLC
40012702
R
INTERNATIONAL SALES H.Q.
8-2-1, KOKURYO-CHO,
CHOFU-SHI, TOKYO 182-8655, JAPAN
PHONE : (81)3-3430-4001 to 4005
FAX : (81)3-3430-4909 • 4914 • 4984
TELEX : J22967
Copyright C 2003-2004 JUKI CORPORATION.
Please do not hesitate to contact our distributors or agents in your area for further information when necessary.
* The description covered in this instruction manual is subject to change for improvement of the
commodity without notice.
04 · 04 Printed in Japan (E)
From the library of: Superior Sewing Machine & Supply LLC
All rights reserved throughout the world.
IMPORTANT SAFETY INSTRUCTIONS
Putting sewing systems into operation is prohibited until it has been ascertained that the sewing systems in
which these sewing machines will be built into, have conformed with the safety regulations in your country.
Technical service for those sewing systems is also prohibited.
1. Observe the basic safety measures, including, but not limited to the following ones, whenever you use the
machine.
2. Read all the instructions, including, but not limited to this Instruction Manual before you use the machine.
In addition, keep this Instruction Manual so that you may read it at anytime when necessary.
3. Use the machine after it has been ascertained that it conforms with safety rules/standards valid in your
country.
4. All safety devices must be in position when the machine is ready for work or in operation.
The operation without the specified safety devices is not allowed.
5. This machine shall be operated by appropriately-trained operators.
6. For your personal protection, we recommend that you wear safety glasses.
7. For the following, turn off the power switch or disconnect the power plug of the machine from the
receptacle.
7-1 For threading needle(s), looper, spreader etc. and replacing bobbin.
7-2 For replacing part(s) of needle, presser foot, throat plate, looper, spreader, feed dog, needle guard, folder,
cloth guide etc.
7-3 For repair work.
7-4 When leaving the working place or when the working place is unattended.
7-5 When using clutch motors without applying brake, it has to be waited until the motor stopped totally.
8. If you should allow oil, grease, etc. used with the machine and devices to come in contact with your eyes or
skin or swallow any of such liquid by mistake, immediately wash the contacted areas and consult a medical
doctor.
9. Tampering with the live parts and devices, regardless of whether the machine is powered, is prohibited.
10. Repair, remodeling and adjustment works must only be done by appropriately trained technicians or
specially skilled personnel. Only spare parts designated by JUKI can be used for repairs.
11. General maintenance and inspection works have to be done by appropriately trained personnel.
12. Repair and maintenance works of electrical components shall be conducted by qualified electric
technicians or under the audit and guidance of specially skilled personnel.
Whenever you find a failure of any of electrical components, immediately stop the machine.
13. Before making repair and maintenance works on the machine equipped with pneumatic parts such as an air
cylinder, the air compressor has to be detached from the machine and the compressed air supply has to be
cut off. Existing residual air pressure after disconnecting the air compressor from the machine has to be
expelled. Exceptions to this are only adjustments and performance checks done by appropriately trained
technicians or specially skilled personnel.
14. Periodically clean the machine throughout the period of use.
15. Grounding the machine is always necessary for the normal operation of the machine. The machine has to
be operated in an environment that is free from strong noise sources such as high-frequency welder.
16. An appropriate power plug has to be attached to the machine by electric technicians. Power plug has to be
connected to a grounded receptacle.
17. The machine is only allowed to be used for the purpose intended. Other used are not allowed.
18. Remodel or modify the machine in accordance with the safety rules/standards while taking all the effective
safety measures. JUKI assumes no responsibility for damage caused by remodeling or modification of the
machine.
19. Warning hints are marked with the two shown symbols.
Danger of injury to operator or service staff
Items requiring special attention
i
From the library of: Superior Sewing
Machine & Supply LLC
FOR SAFE OPERATION
1. To avoid electrical shock hazards, neither open the cover of the electrical box nor
touch the components mounted inside the electrical box.
1. To avoid personal injury, never operate the machine with any of the finger guard or
safety devices removed.
2. To prevent possible personal injuries caused by being caught in the machine, keep
your fingers, head and clothes away from the handwheel while the machine is in
operation. In addition, place nothing around it.
3. To avoid personal injury, never put your hand under the needle when you turn “ON”
the power switch or operate the machine.
4. To avoid personal injury, never put your fingers into the thread take-up cover while the
machine is in operation.
5. The hook rotates at a high speed while the machine is in operation. To prevent possible
injury to hands, be sure to keep your hands away from the vicinity of the hook during
operation. In addition, be sure to turn OFF the power to the machine when replacing
the bobbin.
6. To avoid possible personal injuries, be careful not to allow your fingers in the machine
when tilting/raising the machine head.
7. To avoid possible accidents because of abrupt start of the machine, turn OFF the
power to the machine when tilting the machine head or performing replacement of
parts, adjustment of the machine, etc.
8. The motor does not produce noise while the machine is at rest. To avoid possible
accidents due to abrupt start of the machine, be sure to turn OFF the power to the
machine.
9. To avoid electrical shock hazards, never operate the sewing machine with the ground
wire for the power supply removed.
10. To prevent possible accidents because of electric shock or damaged electrical
component(s), turn OFF the power switch in prior to the connection/disconnection of
the power plug.
11. To prevent fires, periodically draw out the power plug from the plug socket and clean
the root of the pins and the space between pins.
12. Do not turn OFF the power switch while the machine is in operation.
13. Hold the upper side of the machine head with both hands and perform the work quietly
so as not to allow your fingers or the like to be caught in the machine when tilting the
machine head or returning it to the home position.
14. Be careful that any load is not applied to the operation panel section.
ii
From the library of: Superior Sewing
Machine & Supply LLC
CAUTION BEFORE OPERATION
WARNING :
To avoid malfunction and damage of the machine, confirm the following.
•
•
•
•
•
•
•
•
•
•
•
•
•
•
Remove the air-vent cap (red color) attached to the sewing machine bed.
Be sure to fill the oil tank with oil before use.
Remove the needle bar stopper.
Clean the sewing machine thoroughly before using it for the first time.
Remove all dust collected on the sewing machine during the transportation.
Confirm that the voltage and phase are correct.
Confirm that the power plug is properly connected.
Never use the sewing machine in the state where the voltage type is different from the designated one.
The direction of rotation of the sewing machine is counterclockwise as observed from the handwheel side.
Be careful not to rotate it in reverse direction.
Do not tilt the machine head toward this side since oil leakage or parts breakage occurs.
A safety switch is installed so that the sewing machine cannot be operated with the machine head tilted.
When operating the sewing machine, turn ON the power switch after properly setting the head on the table.
Before starting a test run, remove the bobbin case and the needle thread from the machine.
For the first month after set-up, use the machine at a reduced sewing speed of 3,000 rpm or less.
Operate the handwheel after the sewing machine has totally stopped.
iii
From the library of: Superior Sewing
Machine & Supply LLC
CONTENTS
1. NAME OF EACH COMPONENT ............. 1
2. SPECIFICATIONS ................................... 2
2-1. Specifications of the machine head .......... 2
2-2. Specifications of the electrical box ........... 2
3. STITCH PATTERN TABLE ..................... 3
4. INSTALLATION ....................................... 4
4-1. Installation of the sewing machine head ........ 4
4-2. Removing the needle bar stopper ............. 5
4-3. Attaching the knee-lifter ............................. 5
4-4. Adjusting the height of the knee lifter ....... 5
4-5. Installing the electrical box ........................ 6
4-6. Connecting the power switch cord ............ 6
4-7. Installing the operation panel (IP-100) ...... 7
4-8. Connecting the cords ................................. 7
(1) Preparation of wiring ........................................ 7
(2) Connecting the connectors .............................. 8
4-9. Attaching the connecting rod ................... 11
4-10. Adjustment of the pedal ......................... 11
4-11. Installing the thread stand ...................... 12
4-12. Installing the bird’s nest prevention (CB)
type sewing machine .................................. 12
4-13. Lubrication (LZ-2290A-SS • A-SU (-7)) ...... 13
4-14. Test run .................................................... 14
(1) Turn ON the power ......................................... 14
(2) How to operate the pedal ................................ 14
5. PREPARATION BEFORE SEWING ..... 15
5-1. Inserting the needle .................................. 15
5-2. Removing the bobbin case ....................... 15
5-3. Winding the bobbin thread ....................... 15
5-4. Placing the bobbin case and the bobbin ..... 16
5-5. Threading the machine head .................... 17
5-6. Adjusting the stitch length ....................... 17
5-7. Adjusting the condensation stitching ........ 17
6. HOW TO USE THE OPERATION PANEL ... 18
6-1. Names and functions of the respective sections .... 18
6-2. Before setting the pattern ......................... 20
(1) Limitation of the max. zigzag width ................. 20
(2) Setting the reference of stitch base line .......... 22
6-3. Basic screen .............................................. 23
6-4. List of the display pictographs of each screen... 24
6-5. Setting the sewing pattern ....................... 35
(1) Selecting the zigzag pattern ............................ 35
6-6. Setting of the sewing shape ..................... 37
(1) Standard zigzag, 2-step zigzag and
3-step zigzag stitch ......................................... 37
(2) Scallop stitching .............................................. 38
(3) Blind stitch sewing .......................................... 40
(4) Custom pattern stitching ................................. 41
6-7. Reverse feed stitching .............................. 42
(1) Standard condensation .................................. 43
(2) 2-point condensation ...................................... 44
(3) Condensation custom ..................................... 45
(4) Comparision table of the reverse stitch of each shape .... 47
6-8. Selection of the kind of stitching ............. 48
(1) Overlapped stitching ...................................... 48
(2) Programmed stitching ..................................... 48
6-13. Cycle stitching ......................................... 63
(1) New creation of the cycle stitching ................. 63
(2) Cycle stitching edit .......................................... 63
(3) Copy and deletion of the cycle stitching .......... 65
(4) Teaching ........................................................ 66
(5) Performing the programmed stitching using
the cycle stitching ........................................... 67
6-14. Counter ..................................................... 67
(1) Thread trimming counter ................................. 67
(2) Bobbin thread counter ..................................... 67
6-15. Information ............................................... 68
(1) Sewing common data ..................................... 69
• Limiting procedure of max. zigzag width limitation ... 69
• Max.zigzag width limitation value ......................... 69
• Reference of stitch base line ................................ 69
• Mirror function setting ........................................... 69
• Position of the stitch base line of condensation custom . 70
• Counter function ................................................... 70
• Key lock ................................................................ 70
• Selection of max. zigzag width limitation display
when the power is turned ON .............................. 70
(2) Sewing management information ................... 71
(3) Communication mode ..................................... 74
6-16. Setting for functions ............................... 78
(1) How to change over to the function setting mode .. 78
(2) Function setting list ......................................... 81
(3) Detailed explanation of selection of functions .... 85
6-17. External interface .................................... 91
(1) Smart media slot ............................................. 91
(2) RS-232C port .................................................. 91
(3) General input port (Production control switch
connecting connector) ..................................... 91
7. SEWING ................................................. 92
7-1. Adjusting the thread tension .................... 92
7-2. Adjusting the pressure of the presser foot ........ 93
7-3. One-touch type reverse feed stitching mechanism ... 93
7-4. Hand switch ............................................ 95
8. STANDARD ADJUSTMENT ................. 96
8-1. Adjusting the amount of oil in the hook
(LZ-2290A-SS • A-SU (-7)) .............................. 96
8-2. Adjusting the amount of lubricating to face
plate section (LZ-2290A-SS•A-SU(-7)) ..... 96
8-3. Adjusting the height of the presser bar .......... 97
8-4. Adjusting the micro-lifting mechanism
of the presser foot ........................................ 97
8-5. Height and inclination of the feed dog ........ 98
8-6. Hook adjusting mode ................................ 99
8-7. Attaching / removing the hook ............... 100
8-8. Adjusting height of the needle bar ........ 101
8-9. Adjusting the needle-to-hook
timing and the needle guard .................. 101
8-10. Adjusting the stop position of the needle . 102
8-11. Adjusting the thread trimmer ............... 102
8-12. Adjusting the needle thread feeding device
(Thread trimmer type only) ......................... 103
8-13. Adjusting the bird’s nest
prevention (CB) type wiper ................... 104
8-14. Replacing procedure of the bird’s nest
prevention (CB) type presser knife ........ 105
9. MAINTENANCE ................................... 106
6-11. Pattern stitching ...................................... 56
(1) Replacing the power fuse ............................ 106
(2) Power voltage changeover procedure
(power voltage setting procedure) ............... 107
(3) Adjusting the contrast of the operation panel display 108
(4) Draining (Bird’s nest prevention (CB) type only) 108
(5) Cleaning the dust bag (Bird’s nest prevention (CB) type only) 108
(6) Cleaning the cooling fan .............................. 109
(7) Cleaning the hook section ............................ 109
(8) Cleaning the rear cover of the control box .... 109
(9) Cleaning the operation panel screen ........... 109
(10) Replacing procedure of the hook shaft oil wick ... 110
(1) Setting the pattern stitching ............................ 56
(2) Registering the pattern stitching ..................... 57
(3) Copy and deletion of the pattern stitching ....... 58
10. AT A TIME LIKE THIS ! ..................... 111
11. ERROR DISPLAY .............................. 112
6-9. Custom pattern .......................................... 50
(1) Custom pattern setting .................................... 50
(2) New creation of the custom pattern ................ 51
(3) Custom pattern edit ......................................... 52
(4) Registration, copy and deletion of the custom pattern ... 52
6-10. Condensation Custom ............................ 53
(1) Condensation custom setting ......................... 54
(2) Condensation custom edit .............................. 55
6-12. Continuous stitching .............................. 59
(1) New creation of the continuous stitching ........ 60
(2) Continuous stitching edit ................................. 60
(3) Copy and deletion of the continuous stitching ... 62
11-1. Error code list (Error display in panel) ....... 113
12. TROUBLES AND CORRECTIVE
MEASURES ....................................... 116
iv
From the library of: Superior Sewing
Machine & Supply LLC
1. NAME OF EACH COMPONENT
3
2
!5 !4
!6
!3
4
!2
!1
!7
9
1
5
!0
!8
8
6
7
1Needle thread draw-out device
(LZ-2290A(U)-7)
2Wiper switch (WB,CB type)
3Thread take-up cover
4Finger guard
5Thread tension controller (Rotary tension)
6Electrical box
7Pedal
8Knee lifter lever
9Power switch
!0Hand switch
!1Stitch length dial
!2Condensation dial
!3Control panel
!4Bobbin winder
!5Tension controller No. 1
(Pre-tension)
!6Thread stand
!7Oil supply opening
!8Mirror inversion switch
From the library of: Superior Sewing Machine & Supply LLC
1
2. SPECIFICATIONS
2-1. Specifications of the machine head
Minute-quantity
Model( lubricating type )
LZ-2290A-SS
Application
LZ-2290A-SS-7
LZ-2290A-SU
LZ-2290A-SU-7
Light-weight materials to medium-weight materials
Max. sewing speed
5,000 rpm (*1)
4,500 rpm (*1)
Max. zigzag width
10 mm (*2)
Max. feed pitch
5 mm (stepless fine adjustment)
Stitch pattern
2.5 mm (stepless fine adjustment)
8 kinds 14 patterns (custom pattern : up to 500 stitches, 20 kinds can be stored.)
Needle
SCHMETZ 438, ORGAN DPX5 : #65 to #90
Oil used
JUKI New Defrix Oil No. 1
Thread trimmer
Without
Feed method
With
Without
Standard feed
Noise
With
Material slippage prevention
Workplace-related noise at sewing speed
n=4500 min-1 : LPA ≦ 81.5 dB(A)
Noise measurement according to DIN 45635-48-A-1.
Model (Dry-head type)
LZ-2290A-DS
Application
LZ-2290A-DS-7
LZ-2290A-DU
LZ-2290A-DU-7
Light-weight materials to medium-weight materials
Max. sewing speed
4,000 rpm (*1)
Max. zigzag width
10 mm (*2)
Max. feed pitch
5 mm (stepless fine adjustment)
Stitch pattern
2.5 mm (stepless fine adjustment)
8 kinds 14 patterns (custom pattern : up to 500 stitches, 20 kinds can be stored.)
Needle
SCHMETZ 438, ORGAN DPX5 : #65 to #90
Thread trimmer
Without
Feed method
With
Without
Standard feed
Noise
With
Material slippage prevention
Workplace-related noise at sewing speed
n=4000 min-1 : LPA ≦ 81 dB(A)
Noise measurement according to DIN 45635-48-A-1.
* 1. The max. sewing speed is limited by the amount of zigzag width per stitch.
Up to 4 mm : 5,000 rpm (LZ-2290A-SU : 4,500 rpm, LZ-2290A-DS • A-DU (-7) : 4,000 rpm),
up to 5 mm : 4,000 rpm, up to 6 mm : 3,500 rpm, up to 8 mm : 3,000 rpm
• Properly set the number of revolution in accordance with the product to be sewn and process.
* 2. Max. zigzag width is limited to 8 mm at the time of standard delivery.
2-2. Specifications of the electrical box
■ For general export
Supply voltage
Single phase 200V / 220V / 240V
Frequency
3-phase 200V / 220V / 240V
50 Hz / 60 Hz
Rated currency
Operating environment
4.6A / 4.3A / 4.0A
3.0A / 2.7A / 2.3A
Temperature : 0 to 40˚C Humidity : 90% or less
■ For CE
Supply voltage
Single phase 220V / 230V / 240V
Frequency
50 Hz/60 Hz
Rated currency
Operating environment
4.3A / 4.2A / 4.0A
Temperature : 0 to 40˚C Humidity : 90% or less
■ For JUS
Supply voltage
Single phase 100V / 110V / 120V
Frequency
Rated currency
Operating environment
2
3-phase 200V / 220V / 240V
50 Hz / 60 Hz
8.0A / 7.5A / 7.0A
3.0A / 2.7A / 2.3A
Temperature : 0 to 40˚C Humidity : 90% or less
From the library of: Superior Sewing Machine & Supply LLC
3. STITCH PATTERN TABLE
Name of pattern
Stitch
pattern
Number of stitches
Max.zigzag width
for pattern
Remarks
Straight stitch
1
—
2
10
4
10
6
10
24
10
Standard zigzag stitch
2-step zigzag stitch
3-step zigzag stitch
Scallop
(right)
Standard
scallop
Crescent
scallop
Equal-width
scallop
Equal-width
scallop
Scallop
(left)
12
Standard
scallop
Crescent
scallop
24
10
Equal-width
scallop
Equal-width
scallop
Blind stitch (right)
12
a
Blind stitch (left)
2+a
10
500
10
a
Custom pattern
—
From the library of: Superior Sewing Machine & Supply LLC
3
4. INSTALLATION
WARNING :
• Perform the installation of the sewing machine by the technical personnel who have been trained.
• To prevent personal injury, ask our dealer or the electrician for electric wiring.
• Be sure to perform the work with two persons or more when transporting the sewing machine and use a
lorry when moving it.
• To prevent personal injury caused by abrupt start of the sewing machine, do not connect the power plug
until the set-up of the sewing machine is completed.
• Be sure to earth the ground wire to prevent personal injury caused by leak.
• Be sure to attach safety protection cover, figer guard, etc.
4-1. Installation of the sewing machine head
3
3
1
1
■ Installing the under cover
1) The under cover should rest on the four corners of
the machine table groove.
4
1
19.5 mm
23.5 mm
2
2) Fix two rubber seats 1 on side A (operator’s side)
using nails 2 as illustrated above. Fix two cushion
seats 3 on side B (hinged side) using a rubberbased adhesive. Then place under cover 4 on the
fixed seats.
3
B
A
3) Remove air vent cap 5 attached to the machine
bed. (Be sure to attach cap 5 when transporting
the machine head in the state that the machine head
is removed from the machine table.)
5
7
Cau tion
If the sewing machine is operated
without removing air vent cap 5, oil
leakage from gear box portion 7
may occur.
4) Fit hinge 1 into the opening in the machine bed,
and fit the machine head to table rubber hinge 8
before placing the machine head on cushions 3
on the four corners.
8
3
4
1
7
5) Attach head support rod 6 to the machine table.
(However, this step is not necessary for the machine
with AK device.)
6
4
From the library of: Superior Sewing Machine & Supply LLC
4-2. Removing the needle bar stopper
Remove needle bar stopper 1 for transportation.
Cau tion
1
Keep the needle bar stopper which has
been removed, and install this needle
bar stopper when transporting the
sewing machine.The needle bar
stopper may be cut when it is strongly
drawn out. Slightly move the needle bar
to the right or left and slowly draw out
the needle bar stopper.
220
4-3. Attaching the knee-lifter
Insert knee-lifter into attaching hole 2 and tighten it
with bolt 3.
* Adjust the position of knee lifter pad 1 to a
convenient place. For the reference dimension, the
position is 180 mm from the bottom face of table.
3
2
1
4-4. Adjusting the height of the knee lifter
1) The standard height of the presser foot lifted using
the knee lifter is 10 mm.
2) You can adjust the presser foot lift using knee lifter
adjust screw 1.
Do not operate the sewing machine
in the state that presser foot 3 is
Cau tion lifted by 10 mm or more since needle
bar 2 and presser foot 3, or wiper
4 and presser foot 3 come in
contact with each other.
1
2
4
3
From the library of: Superior Sewing Machine & Supply LLC
5
4-5. Installing the electrical box
5
Install the electrical box on the underside of the table
at the location illustrated using round-head bolt 1, plain
washer 2, spring washer 3 and nut 4 supplied with
the machine, and using bolt having hexagonal
indentation on the head 5, plain washer 6 and spring
washer 7 supplied with the machine.
1
6
7
2
3
4
4-6. Connecting the power switch cord (Japan and general export area)
1
2
6
A
9
B
5
4
8
3
7
1) Loosen screw 1 located on the side of the power
switch supplied as accessories and remove the
power switch cover.
2) Connecting the input power cord of electrical box
¡When the input power cord of electrical box is 4P
Put 4P cord from hole A of the power switch and
securely fix green/yellow cord to 5, white cord to
2, black cord to 3 and red cord to 4 with screws.
¡When the input power cord of electrical box is 3P
Put 3P cord from hole A of the power switch and
securely fix green/yellow cord to 5, brown cord to
2 and sky blue cord to 3 with screws.
3) Connecting the power cable supplied as accessories
¡In case of 3-phase power cable
Put power cable from hole B of the power switch,
and securely fix green/yellow cord to 9, white cord
to 6, black cord to 7 and red cord to 8 with screws.
¡In case of single phase power cable
Put power cable from hole B of the power switch,
and securely fix green/yellow cord to 9 and other
cords to 6 and 7 with screws. 8 is not used.
4) Installing the power switch cover
Securely tighten screw 1 located on the side of
the power switch.
4-7. Installing the operation panel (IP-100)
1) Install operation panel 1 on the machine head using
screws 3 which have been assembled to panel
installing bracket 2.
1
Cau tion Do not disassemble the operation
2
panel to prevent it from breakage.
3
3
3
6
From the library of: Superior Sewing Machine & Supply LLC
4-8. Connecting the cords
WARNING :
• To prevent personal injury caused by abrupt start of the sewing machine, carry out the work after turning
OFF the power switch and a lapse of 5 minutes or more.
• To prevent damage of device caused by maloperation and wrong specifications, be sure to connect all the
corresponding connectors to the specified places.
• To prevent personal injury caused by maloperation, be sure to lock the connector with lock.
• As for the details of handling respective devices, read carefully the Instruction Manuals supplied with the
devices before handling the devices.
(1) Preparation of wiring
1) Pass the cords coming from the machine head to
the underside of the table through hole A in the table.
A
2) Loosen screws D and lift cord presser plate C of
cord passing hole B located on the front cover to
the top and temporarily tighten the plate.
D
B
C
3) Remove four screws E fixing the rear cover of the
electrical box. When opening the rear cover,
pressing it with your hands, slowly open it by
approximately 90˚ until it stops as illustrated.
Slowly
Be sure to lend your hand to the rear
Cau tion cover in order not to let the rear
cover fall. In addition, do not apply
force to the rear cover opened.
E
4) Remove the locks of cord clamps a, b, c, d, e, and f.
a
b
How to remove the cord clamp
c
1 Lightly pressing
e
2 Pull down the clamp.
3 The clamp goes up.
d
f
1
2
3
g
1
* See P.11 for how to lock the cord clamp.
From the library of: Superior Sewing Machine & Supply LLC
7
(2) Connecting the connectors
• Each connector has the inserting direction. Check the direction and securely insert it.
(In case of the type with lock, insert up to the lock.)
Cau tion • If the connector is forcibly inserted, trouble or accident will be caused.
• Never pull out the connectors inserted at the time of delivery.
• The sewing machine fails to work if the connectors are not properly inserted. Not only
the problem such as the error warning or the like but also breakage of the sewing machine
or electrical box will occur.
Connect cords in the following order.
5) Insert yellow/green earth cord 1 coming from the
machine head inside the electrical box through front
B
1
cover through hole B, and pass it through cord clamp
“b” as illustrated and tighten it with screw at the
position 2 in the illustration.
b
2
6) Insert white square connector 9P black cord 3
coming from the machine head inside the electrical
box through front cover through hole B, and insert
it into connector CN38 4 of the circuit board
attached to the front cover.
B
4
3
6
7) Insert white connector 4P black cord 5 coming from
the machine head inside the electrical box through
front cover through hole B, and insert it into
connector CN21 6 of the circuit board attached to
the front cover.
5
8) Insert white connector 26P cord 7 coming from the
control panel inside the electrical box through front
cover through hole B, pass it through cord clamps
“b”, “c” and “d”, insert it into connector CN34 8,
and lock it.
7
b
d
c
8
8
From the library of: Superior Sewing Machine & Supply LLC
9) Insert black connector 4P white cord 9 coming from
the machine head inside the electrical box through
front cover through hole B, and insert it into
connector CN31 !0.
9
b
c
!0
10) Insert gray round connector 7P cord !1 coming
from the machine head inside the electrical box
through front cover through hole B, pass it through
cord clamp “a”, and insert it into connector CN30
!2.
!1
a
!2
11) Insert white connector 12P cord !3 coming from
the machine head inside the electrical box through
front cover through hole B, pass it through cord
clamps “b”, “c”, “d” and “g”, and insert it into
connector CN53 !4.
Close cord clamps “b”, “c” and “d”.
!3
g
!4
12) Insert white connector 6P three cords !5 coming
from the machine head inside the electrical box
through front cover through hole B, pass it through
cord clamps “a” and “e”, and insert it into connector
CN54 !6.
!5
e
!6
f
!7
a
e
!8
@0
!9
13) Insert white connector 10P cord !7 and blue
connector 2P cord !8 coming from the machine
head inside the electrical box through front cover
through hole B, pass them through cord clamps
“a”, “e” and “f”, and insert the white 10P into
connector CN51 !9 and the blue 2P into CN46 @0.
Cau tion The blue 2P connector is attached only
for the machine with thread trimmer.
Close cord clamps “a”, “e” and “f”.
From the library of: Superior Sewing Machine & Supply LLC
9
When the Auto-lifter (AK121) is used :
14) Insert white connector 2P cord @1 coming from
the machine head inside the electrical box through
front cover through hole B, pass it through cord
clamps “a”, “e” and “f”, and insert it into connector
CN40 @2.
a
@2
 Change the setting of function setting No. 23
 from “0” to “1” after completing all set-up
 procedure. For the details, see p.78 and p.81.

@3
e
When the bird’s nest prevention device is used
(CB type)
15) Insert white small connector 6P cord @3 coming
from the machine head inside the electrical box
through front cover through hole B, pass it through
cord clamps “a” and “e”, and insert it into connector
CN52 @4.
a
@4
b
c
@6
When foot pedal for standing work (PK70 or 71) is used :
16) Insert black connector 12P cord @5 inside the
electrical box through front cover through hole B
coming from the foot pedal for standing work, pass
it through cord clamps “b” and “c”, and insert it
into connector CN32 @6.
@5
@8
@9
@7
#0
17) Connect white connector 2P of cord @7 supplied
as accessories to which red connector 2P and
white connector 2P are attached to white
connector 2P @8 of under cover of the machine
head.
Fix omega lock @9 supplied as accessories with
the neighboring cords and cord @7 as shown in
the figure.
18) Insert red connector 2P side of cord @7 supplied
as accessories to which red connector 2P and
white connector 2P are attached inside the
electrical box through front cover through hole, and
insert it into red connector CN25 #0.
@7
10




e
@1
f
From the library of: Superior Sewing Machine & Supply LLC
When the insertion of the connector is completed, lock
the cord clamps.
How to lock the cord clamp
4
4
3
Clamp
4 Lightly press the corner of clamp.
(Cord clamp is locked with a click.)
q Take care so that the cord is not caught between
the rear cover and the electrical box main body,
close the rear cover while pressing section A on
the lower side of the rear cover, and tighten four
screws 1.
w Press down cord presser plate C of cord through
hole B of the front cover, press the cord, and tighten
screws 2.
2
C
1
A
B
4-9. Attaching the connecting rod
1) Fix connecting rod 1 to installing hole B of pedal
lever 2 with nut 3.
2) Installing connecting rod 1 to installing hole A will
lengthen the pedal depressing stroke, and the pedal
operation at a medium speed will be easier.
3
2
A
1
B
4-10. Adjustment of the pedal
■ Installing the connecting rod
1) Move pedal 3 to the right or left as illustrated by
the arrows so that motor control lever 1 and
connecting rod 2 are straightened.
2
1
4
■ Adjusting the pedal angle
1) The pedal tilt can be freely adjusted by changing
the length of the connecting rod.
2) Loosen adjust screw 4, and adjust the length of
connecting rod 2.
3
From the library of: Superior Sewing Machine & Supply LLC
11
4-11. Installing the thread stand
1) Assemble the thread stand unit, and insert it in the
hole in the machine table.
2) Tighten locknut 1 to fix the thread stand.
3) For ceiling wiring, pass the power cord through spool
rest rod 2.
2
1
4-12. Installing the bird’s nest prevention (CB) type sewing machine
1) Punch dots on the positions of the setscrews of
solenoid valve (asm.) and regulator (asm.) on the
bottom surface of the machine table.
Besides, awling is performed on JUKI genuine table.
(bottom surface of the machine table)
233
107 106
(mm)
75
291
34
4
1
2
2) Fix solenoid valve (asm.) 1 with wood screw 2
supplied with the sewing machine as accessories.
3) Fix regulator (total asm.) 3 with wood screw 4
supplied with the sewing machine as accessories.
4) Connect 6 and 8 hoses attached to regulator (total
asm.) 3 to the respective solenoid valves.
3
5) Insert dust bag 5 into the top end of hose 4 for
dust bag and fix it with band 6 supplied with the
sewing machine as accessories.
9
9
6
5
5
12
From the library of: Superior Sewing Machine & Supply LLC
6) Adjust solenoid valve cord (asm.) 7 to the solenoid
valve and the hot marker of the cord, and connect it.
Connect 6P connector !0!1 to CM52 connector
inside the electrical box.(Refer to “When the bird’s
nest prevention device is used, p. 10".)
7) Connect air hose ø4 coming from the machine head
to the solenoid valve section and air hose ø8 to the
dust bag suction port respectively.
8) Fix the solenoid valve and the air hose on the table
with staple 8 supplied as accessories.
φ4
!0
!1
φ8
!1
7 8
!0
1. Fix the staple to such an extent that
the air hose is not crushed.
Cau tion
2. Determine the position of the staple
so that the cord and the air hose
do not hang from the table.
9) Connect the air pipe !2 and set the air pressure to
0.6 MPa.
!2
4-13. Lubrication (LZ-2290A-SS • A-SU (-7) )
WARNING :
1. Do not connect the power plug until the lubrication has been completed so as to prevent accidents
due to abrupt start of the sewing machine,
2. To prevent the occurrence of an inflammation or rash, immediately wash the related portions if oil
adheres to your eyes or other parts of your body.
3. If oil is mistakenly swallowed, diarrhea or vomitting may occur. Put oil in a place where children
cannot reach.
Fill the oil tank with oil for hook lubrication before
operating the sewing machine.
1) Remove oil hole cap 1 and fill the oil tank with JUKI
New Defrix Oil No. 1 using the oiler supplied with
the machine.
2) The amount of oil should reach up to the engraved
marker line of oil tank 2.
If the oil is filled excessively, it will leak from the air
vent hole in the oil tank or proper lubrication will be
not performed. So, be careful.
3) When you operate the sewing machine, refill oil if
the top end of oil amount indicating rod 3 comes
down to the lower engraved marker line of oil
amount indicating window 4.
1
2
3
Upper engraved
marker line
2
Lower engraved
marker line
• When you use a new sewing
machine or a sewing machine
after an extended period of
disuse, run your machine at 3,000
Cau tion
to 3,500 rpm for the purpose of
break-in.
• For the oil for hook lubrication,
purchase JUKI New Defrix Oil No.
1 (Part No. : MDFRX1600C0).
From the library of: Superior Sewing Machine & Supply LLC
13
4-14. Test run
(1) Turn ON the power
WARNING :
•
•
•
•
Check again the power voltage before connecting the power cord.
Check that the power switch is turned OFF and connect the power cord to the power receptacle.
Be sure to connect the earth wire.
In case where the buzzer keeps beeping immediately after turning ON the power, there is a possibility
of the wrong connection of cord or wrong power voltage. Turn OFF the power.
1) When the needle bar is in its UP position, zigzag origin detection is performed.
2) When the needle bar is in the position other than UP position :
Display as shown in the figure below appears. Turn the handwheel to bring the needle bar to needle UP
position and the display changes to the next screen. Then the needle moves left and right, and zigzag
origin detection is performed.
h
(2) How to operate the pedal
A
B
C
D
E
14
The pedal is operated in four stages.
1) Lightly depress the front part of the pedal for lowspeed operation B .
2) Further depress the front part of the pedal for highspeed operation A . (Note that the sewing machine
will enter the high-speed operation mode after the
completion of reverse feed stitching if the automatic
reverse feed stitching function is specified with the
corresponding switch.)
3) Bring the pedal back to its neutral position, and the
sewing machine will stop running C .
(The needle stops in the highest / lowest position.)
4) Strongly depress the back part of the pedal, and
the thread trimmer will be actuated E .
Lightly depress the back part of the pedal, and the
presser foot will go up D . Further depress the back
part of the pedal, and the thread trimmer will be
actuated.
From the library of: Superior Sewing Machine & Supply LLC
5.PREPARATION BEFORE SEWING
5-1. Inserting the needle
WARNING :
To protect against possible personal injury due to abrupt start of the machine, be sure to start the
following work after turning the power off and ascertaining that the motor is at rest.
A
B
1
2
1) Turn the handwheel by hand to raise the needle to
its highest position.
2) Loosen the needle clamp screw 2 . Hold the needle
1 so that the long groove B on the needle is facing
exactly toward you.
3) Insert the needle deep into the hole of the needle
bar in the direction of the arrow until it will go no
further.
4) Securely tighten the screw 2 .
5) Confirm that the long groove B on the needle faces
toward you.
5-2. Removing the bobbin case
WARNING :
To protect against possible personal injury due to abrupt start of the machine, be sure to start the
following work after turning the power off and ascertaining that the motor is at rest.
1) Turn the handwheel by hand to raise the needle to
its highest position.
2) Raise bobbin case latch 1 and remove the bobbin
case.
1
5-3. Winding the bobbin thread
WARNING :
To protect against possible personal injury due to abrupt start of the machine, be sure to start the
following work after turning the power off and ascertaining that the motor is at rest.
1
B
3
A
5
2
C
7
6
8
1) Insert the bobbin deep into the bobbin winder spindle
5 until it will go no further.
2) Pass the bobbin thread pulled out from the spool rested
on the right side of the thread stand following the order
from 1 as shown in the figure on the left. Then, wind
the end of the bobbin thread on the bobbin several times.
3) Press the bobbin winder adjusting plate 6 in the
direction of A and start the sewing machine. The
bobbin rotates in the direction of C and the bobbin
thread is wound up. The bobbin winder spindle 5 will
automatically stop as soon as the winding is finished.
4) Remove the bobbin and cut the bobbin thread with
the thread cut retainer 8 .
5) To adjust the winding amount of the bobbin thread,
loosen setscrew 7 and move bobbin winder adjusting
plate 6 to the direction of A or B. Then, tighten
setscrew 7.
To the direction A : The amount is decreased.
To the direction B : The amount is increased.
From the library of: Superior Sewing Machine & Supply LLC
15
6) In case that the bobbin thread is not wound evenly
on the bobbin, loosen the nut 4 and turn the bobbin
thread tension to adjust the height of the thread
tension disk 2.
• It is the standard that the center of the bobbin is
as high as the center of the thread tension disk.
• Move the position of the thread tension disk 2 to
the direction A as shown in the figure on the left
when the winding amount of the bobbin thread on
the lower part of the bobbin is excessive and to
the direction B as shown in the figure on the left
when the winding amount of the bobbin thread on
the upper part of the bobbin is excessive.
After the adjustment, tighten the nut 4 .
2
A
2
4
B
2
(Threading)
1
7) Turn the thread tension nut 3 to adjust the tension
of the bobbin thread winder.
3
2
Note 1. When winding bobbin thread, start winding
in the state that the thread between bobbin
and thread tension disk 2 is tense.
2. When winding bobbin thread in the state that
the sewing is not performed, remove needle
thread from the thread path of the thread
take-up and remove bobbin from the hook.
5-4. Placing the bobbin case and the bobbin
WARNING :
To protect against possible personal injury due to abrupt start of the machine, be sure to start the
following work after turning the power off and ascertaining that the motor is at rest.
3
2
A
1
1
1) Turn the handwheel by hand to raise the needle to
its highest position.
2) Take a bobbin by your right hand with the thread
drawn out about 5 cm from the thread end of the
bobbin and place it into the bobbin case as
illustrated.
3) Thread the bobbin case in the order of the numbers
and pull it out through the thread path as illustrated.
The bobbin rotates in the bobbin case in the direction
shown by arrow when bobbin thread is drawn.
4) Raise bobbin case latch 1 and hold it between your
two fingers as shown in the figure on the left.
5) Insert the bobbin case into the sewing hook shaft as
far as it will go by putting your hand from the under
cover of the inner hook. (Click sounds.)
6) Release the bobbin case latch to let it steadily rest
in the closing position.
■How to use the bobbin case thread hole
B
A
1) Use hole A mainly for zigzag stitches other than
standard zigzag stitch and scallop zigzag stitch.
2) Use hole B mainly for standard zigzag stitch and
scallop zigzag stitch.
Cau tion There may be a case where several stitches at the start of sewing are difficult to be knotted when
thread trimmer is used with thin filament thread such as (#50, #60 or #80) using hole B. At this time,
use the other hole or perform the sewing starting from the right.
16
From the library of: Superior Sewing Machine & Supply LLC
5-5. Threading the machine head
WARNING :
To protect against possible personal injury due to abrupt start of the machine, be sure to start the
following work after turning the power off and ascertaining that the motor is at rest.
1
4
LZ-2290A-7
With thread
trimmer
LZ-2290A
Without thread
trimmer
2
3
With auxiliary
thread take-up
5
Without auxiliary
thread take-up
1) Turn the handwheel by hand to bring the needle to the most raised position.
2) Pass the thread in the order of the numbers as illustrated.
3) Pull out the thread about 10 cm from the needle after passing it through the needle.
Turn the thread
once.
5-6. Adjusting the stitch length
1) Turn the stitch length dial 1 in the direction of the
arrow so that the number corresponding to the desired
stitch length meets the marker dot A engraved on
the machine arm.
2) Numbers on the stitch length dial are calibrated in
mm.
3) To perform reverse feed stitching, press down the
feed lever 2 . The sewing machine performs reverse
feed stitching as long as you keep the feed lever held
pressed. The feed lever will return to its home position
and the sewing machine will run in the normal stitching
direction when you release the feed lever.
A
1
2
5-7. Adjusting the condensation stitching
B
1
3
Reference
Stitch length can be reduced at the start or end of
sewing. This feature is used for fastening stitch.
1) Turn condensation stitching adjusting dial 3 in the
direction of the arrow mark, and adjust the desired
number to engraved dot B on the machine arm.
2) The number of the graduation is shown in the unit of mm.
3) Turn condensation stitching adjusting dial 3 in the
direction of + to reduce the reverse feed stitch length.
Example : When stitch length dial 1 is used with the
graduation of +2, the maximum adjustment value of
condensation stitching adjusting dial 3 becomes -2.
(It is possible to adjust within the range of -2 to +2.)
Maximum feed amount is regulated to ±2 according to the gauge delivered (feed dog : 22581508).
Adjustment can be performed up to the range of maximum +5 to -4 by replacing the gauge
(feed dog : 22540009).
4) Note that the graduations on the dial are mere reference. Adjust the condensation stitching while actually
observing the finished seam.
From the library of: Superior Sewing Machine & Supply LLC
17
6. HOW TO USE THE OPERATION PANEL
6-1. Names and functions of the respective sections
1
!8
3
!0
4
9
!5
6
!3
!6
7
!7
2
5
1 Re-sewing switch
2 Needle up/down compensating switch
3 Screen changeover switch
4With/without reverse feed stitch at sewing start switch
5With/without reverse feed stitch at sewing end switch
6Reset switch
7 Teaching switch
!4
!1
!2
8 Information switch
9 Edge sensor switch
!0 One-shot stitching switch
!1 With/without automatic thread trimmer switch
!2 Thread trimming prohibiting switch
!3 Counter value setting switch
!4 Max.speed limitation variable resistor
8
!5 Power display lamp
!6 Smart media cover
!7 Smart media slot
(Smart media inserting opening)
!8 Smart media
Optional :
Part No.HX005750000
( )
1 Re-sewing switch
This switch is used to continue sewing from the step on the way
after replacing bobbin thread when bobbin thread has run out during
program stitching step.
2 Needle up/down
compensating switch
This is the switch to perform needle up/down compensating stitching.
(Needle up/down compensating stitching and one stitch compensating
stitching can be changed over with function setting No. 22.)
3 Screen changeover
switch
This is the switch to change over the screen.
4 With/without reverse feed stitch
at sewing start switch
This is the switch to turn ON/OFF automatic reverse feed stitch at sewing start.
* This switch cannot be used with the sewing machine which is not provided with
automatic reverse feed stitching device.
For the details, see p. 42.
5 With/without reverse feed stitch
at sewing end switch
This is the switch to turn ON/OFF automatic reverse feed stitch at sewing end.
* This switch cannot be used with the sewing machine which is not provided with
automatic reverse feed stitching device.
For the details, see p. 42.
6 Reset switch
This is the switch to make the value of bobbin thread counter or
sewing counter the set value.
For the details, see p. 67.
18
From the library of: Superior Sewing Machine & Supply LLC
7 Teaching switch
This is the switch to set the setting of the number of stitches with
the value of number of stitches which has been actually sewn.
8 Information switch
This is the switch to perform various function settings.
9 Edge sensor switch
This switch cannot be used with LZ-2290A.
!0 One-shot stitching switch
When this switch is set to effective at the time of program stitching,
the sewing machine automatically operates up to the specified
number of stitches.
!1 With/without automatic
thread trimmer switch
When this switch is set to effective at the time of program stitching,
the sewing machine automatically performs thread trimming when
the specified number of stitches has been completed.
!2 Thread trimming
prohibiting switch
This switch prohibits all thread trimmings.
!3 Counter value setting
switch
This is the switch to set the value of bobbin thread counter or No. of
pcs. counter.
!4 Max. speed limitation variable
resistor
When moving the resistor in the left direction, max. speed is limited.
!5 Power display lamp
This lamp lights up when the power switch is turned ON.
!6 Smart media cover
This is the cover for smart media inserting opening.
To open the cover, place your finger on the notch located on the
side of the cover as shown in the figure and push the cover in the
direction of left slanting rear.
* The respective functions of the operation panel do not work with
the cover opened.
Do not close the cover unless smart media is completely inserted.
* This switch cannot be used with the sewing machine which is not
provided with the automatic thread trimming device.
For the details, see p. 75.
!7 Smart media slot
(Smart media inserting opening)
To set smart media, insert smart media into smart media slot and
push it until it is almost hidden.
To remove smart media, push it further again and it protrudes to the
position where it can be held between your fingers. Now, draw it out.
* Be very careful of the inserting direction of smart media.
For the details, see p. 75.
From the library of: Superior Sewing Machine & Supply LLC
19
6-2. Before setting the pattern
WARNING :
Provide a clearance of 0.5 mm or more between the needle and the gauges when replacing the gauges
such as presser foot, throat plate, etc.
If the clearance is smaller than the specified value, it is in danger of
0.5
0.5
causing the needle to be broken or the like.
(1) Limitation of the max. zigzag width
1
2
Max. zigzag width limitation value and reference of stitch base line are displayed when the
power is turned ON.
1:Max. zigzag width limitation value (Screen changes in case of specifying left/right positions.)
2:Reference of stitch base line
Max. zigzag width limitation value and reference of stitch base line can be performed with ON/OFF.
• Max. zigzag width can be limited in accordance with the gauge.
Impor tant • There are two kinds of limitations of max. zigzag width.
(1) Zigzag width symmetrical in the center
(2) Specifying left/right positions
■Changeover of limiting procedure of max. zigzag width limitation value
1) Press switch 1.
1
2) Press switch 2.
3
2
3) Figure on the left side is the
zigzag width symmetrical in
the center mode.
Every time switch 3 is
pressed, specifying left/
right positions and zigzag
width symmetrical in the
center can be changed
over alternately.
3
⇔
(1) Zigzag width symmetrical in the center
20
(2) Specifying left/right positions
From the library of: Superior Sewing Machine & Supply LLC
■How to set max. zigzag width limitation value
Determine whether limitation of zigzag width
symmetrical in the center or limitation of left/right
positions in the order of 1) to 3) of the previous page
in accordance with the gauge used.
Limitation of zigzag
Limitation of left/
width symmetrical L = -3.3 right positions
R = +4.7
in the center
Setting
Setting
0.0
0.0
Max. zigzag
width limitation
value
8.0
–4.0
+4.0
Max. zigzag
width limitation
value
8.0
–3.3
+4.7
Zigzag
limitation area
(A) In case of zigzag width symmetrical in the center
4
1) Press +/– of switch 4 and
set the limitation value.
In case of the example, set the
value to 8.0.
2) Press switch 1 and the
screen returns to the
previous one.
4
1
(B) In case of specifying left/right positions
5
6
Change of left side position
limitation
1) Press +/– of switch 5 to
set the left side limitation
value.
In case of the example, set the
value to -3.3.
5
6
1
Change of right side position
limitation
2) Press +/– of switch 6 to
set the right side limitation
value.
In case of the example, set the
value to +4.7.
3) Press switch 1 and the
screen returns to the
previous one.
From the library of: Superior Sewing Machine & Supply LLC
21
(2) Setting the reference of stitch base line
• Reference position of stitch base line can be set to left, center and right.
Reference of center
stitch base line
Reference of left
stitch base line
0.0
Reference of right
stitch base line
0.0
0.0
■How to set
1) Press switch 1.
1
2) Press switch 2.
2
3
3) Figure on the left side
shows the reference of
center stitch base line.
3
1
Every time switch 3 is
pressed, reference of left
stitch base line, that of right
stitch base line and that of
center stitch base line are
changed over and set
alternately.
4) Press switch 1 and the
screen returns to the
previous one.
Reference of left
stitch base line
22
Reference of center
stitch base line
Reference of right
stitch base line
From the library of: Superior Sewing Machine & Supply LLC
6-3. Basic screen
The screen after turning ON the power source becomes the screen at the time of turning OFF the power source
for the last time.
Every time
switch is pressed, the screen changes as follows :
Example) Free stitching of standard zigzag with reverse feed stitching (Contents of display change depending
on the set values.)
■Sewing shape list first screen
Selection of each shape is
performed.
Press
s.
Press
t.
■ Sewing shape list second screen
Press
.
* Free stitching means the
general sewing.
■Sewing shape setting screen
Setting of zigzag width, position of stitch base line, etc. is performed.
Press
.
■Reverse feed stitching setting screen
Setting of kind of condensation, number of stitches, etc. is performed.
Press
Impor tant
When
.
is pressed for approximately three seconds in a screen other than the sewing
shape list screen, the screen directly transits to the sewing shape list screen.
From the library of: Superior Sewing Machine & Supply LLC
23
6-4. List of the display pictographs of each screen
■Sewing shape list first screen
Straight stitch
Scallop
Standard zigzag stitch
Blind stitch
2-step zigzag stitch
Custom
3-step zigzag stitch
Pattern
■Sewing shape list second screen
Continuous stitching
Cycle stitching
■Scallop selection pop-up screen
Left standard
Right standard
24
Left crescent
Right crescent
Left equal 24 stitches
Right equal 24 stitches
Left equal 12 stitches
Right equal 12 stitches
From the library of: Superior Sewing Machine & Supply LLC
■Blind stitch selection pop-up screen
Left blind stitch
Right blind stitch
■Custom pattern selection pop-up screen
Custom pattern new creation
■Continuous stitching selection pop-up screen
Continuous stitching new creation
■Cycle stitching selection pop-up screen
Cycle stitching new creation
From the library of: Superior Sewing Machine & Supply LLC
25
■Straight stitch sewing shape setting screen
kind of
sewing
Position of
stitch base line
Pattern register
Free
stitching
– 5.0
to
Programmed
stitching
5.0
Overlapped
stitching
■Sewing shape setting screen of standard zigzag stitch/2-step zigzag stitch/3-step zigzag stitch
Kind of
sewing
Zigzag Position of Position
stitch base at sewing
width
line
start
Position
at sewing
end
Pattern register
Free
stitching
Programmed
stitching
Overlapped
stitching
26
0
– 5.0
to
to
10.0
5.0
Optional
Optional
Right
Right
Left
Left
From the library of: Superior Sewing Machine & Supply LLC
■Scallop sewing shape setting screen
Kind of
sewing
Position
Zigzag Position of at sewing
stitch base
width
start
line
Root Crest
Position Stop
at sewing position
end
Root Crest
Right Left
Pattern register
Free
stitching
Programmed
stitching
Root
0
– 5.0
to
to
10.0
5.0
Optional Optional
Crest
Crest
Root
Overlapped
stitching
Right
Left
* Stop position is displayed when the position at sewing end is optional.
From the library of: Superior Sewing Machine & Supply LLC
27
■Blind stitch sewing shape setting screen
Kind of
sewing
of Number
Zigzag Position
stitch base
of stitches
width line
Pattern register
Free
stitching
Programmed
stitching
0
– 5.0
3
to
to
to
10.0
5.0
250
Overlapped
stitching
■Custom pattern sewing shape setting screen
Custom pattern
needle entry image
Kind of
sewing
of
Zigzag Position
stitch base
width
line
Edit screen display
Free
stitching
Programmed
stitching
0
– 5.0
to
to
10.0
5.0
Pattern register
Copy, and
deletion screen
Pattern register
Copy
Overlapped
stitching
Deletion
28
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■Custom pattern edit screen
Step
Zigzag Feed
position direction
Normal・
input
Reverse
Custom pattern
needle entry image
Last needle entry input
Determination
1
– 5.0
to
to
500
5.0
Normal
Needle entry
point insertion
Needle entry
point deletion
Reverse
■Pattern sewing shape setting screen
Sewing
shape
Selection of
sewing shape
Straight stitch
Standard
zigzag stitch
2-step zigzag stitch
3-step zigzag stitch
Scallop
(8 kinds)
Blind stitch
(Right and Left)
Custom
(1 to 20)
Kind of
sewing
Free
stitching
Display of contents depends on shape.
Refer to each shape.
Copy and
deletion screen
Copy
Overlapped
stitching
Deletion
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29
■Continuous stitching setting screen
Position of
Zigzag stitch base
width line
Step
0.0
– 5.0
1
to
to
to
10.0
5.0
20
Pattern
No.
Number
of
stitches
Edit screen display
Copy and
deletion screen
Copy
Deletion
■Continuous stitching edit screen
Number
of
stitches
Step
Pattern
No.
1
1
1
to
to
to
20
99
500
Sewing
shape
Determination
* For the sewing shape, the shape which has been registered in the pattern is displayed.
30
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■Cycle stitching setting screen
Step
Pattern Number
of
No.
stitches
Position
Stop state of presser
foot
Edit screen display
Copy and
deletion screen
* Stop state is not displayed when the number of stitches is
(0 stitch).
* Position of presser foot is displayed except the case where the number
of stitches is
Copy
(0 stitch) with the auto-lifter.
* Presser lifting time is displayed when the position of presser foot is
UP stop.
Deletion
■Cycle stitching edit screen
Step
No.
Number
of
stitches
Stop
state
(0 stitch)
Needle
DOWN
stop
Pattern
No.
1
to
1
99
to
20
Continuous
stitching
No.
1
to
20
Position
Presser
of presser lifting
foot
time
Determination
Presser
foot UP
stop
0.0
to
500
Thread
trimming Presser
foot
DOWN
stop
to
99.9
Needle
UP stop
* Stop state is not displayed when the number of stitches is
(0 stitch).
* Position of presser foot is displayed except the case where the number of stitches is
the auto-lifter.
* Presser lifting time is displayed when the position of presser foot is UP stop.
(0 stitch) with
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31
■Reverse stitching setting first screen
Reverse
Sewing end
Sewing start
stitching
at sewing
start
Selection Process Process Selection Process Process
With/
of kind
of kind
A
B
C
D
without
Reverse
stitching
at sewing
end
With/
without
Normal
0 to 19
0 to 19
Normal
0 to 19
0 to 19
Custom
Custom
2-point
0 to 19
0 to 19
2-point
0 to 19
0 to 19
■Reverse stitching setting second screen (2-point condensation)
32
Width
adjustment
at sewing
start
Width
adjustment
at sewing
end
0.0
0.0
to
to
– 5.0
– 5.0
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■Reverse stitching setting second screen (Condensation custom)
Width
adjustment
at sewing
start
Width
adjustment
at sewing
end
0.0
0.0
to
to
10.0
10.0
■Sewing common data setting first screen (When max. zigzag width limitation is set in the
center)
Limiting
procedure
of max.zigzag
width limitation
Max.zigzag Reference
width
of stitch
limitation
base line
value
Center
Center
0.0
to
10.0
Left
Right
Left/Right
* When the limiting procedure of max. zigzag width limitation is set to “Left/Right”, the display of max.
zigzag width limitation value is separately indicated left and right.
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33
■Sewing common data setting first screen (When limiting procedure of max. zigzag width
limitation is set to left/right)
Limiting
Specifying Specifying Reference
procedure
of stitch
right
of max.zigzag left
position base line
width limitation position
Left/Right
Center
0.0
0.0
to
to
10.0
10.0
Left
Right
Center
* When the limiting procedure of max. zigzag width limitation is set to “Center”, the display of max. zigzag
width limitation value becomes that of symmetrical in the center.
■Sewing common data setting second screen
Mirror
Condensation
function custom stitch Counter
function
setting base line
Key
lock
Max.zigzag
width limitation
when turning
ON the power
1 pattern Interlocking
ON
Level 1
Display
Continuous
OFF
OFF
Nondisplay
Fixed
Level 2
34
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6-5. Setting the sewing pattern
WARNING :
Be sure to check presser foot and gauge currently being used before sewing after changing the zigzag
pattern or zigzag width. In case where sewing is performed with the presser foot or gauge not matching
the zigzag width, it is in danger of accident such as needle breakage or the like.
(1) Selecting the zigzag pattern
▲
2:When
▲
1:When
is pressed, the second screen is displayed.
is pressed, the first screen is displayed.
Straight stitch
Determined pattern
■First screen
Standard zigzag
2-step zigzag
3-step zigzag
1
A
pattern sewing
Custom pattern
Blind stitch
Scallop
Continuous stitching
■Second screen
2
Cycle stitching
1) Select the zigzag pattern you desire to sew with the selection switch when the figure above is in the screen.
The determined pattern is displayed in section A.
2) For scallop and blind stitch, select the shape with the next screen.
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35
Left standard scallop
Left crescent scallop
Left equal-width scallop of 24 stitches
Left equal-width scallop of 12 stitches
In case of the scallop
1) Press the scallop key and
the screen on the left side
appears.
Press the pattern switch you
desire to select.
Right equal-width scallop of 12
Right equal-width scallop of 24
Right crescent scallop
Right standard scallop
Determined pattern
2) As an example, press the
crescent scallop key and
the screen on the left side
appears to determine the
pattern.
In case of the blind stitch
1) Press the blind stitch key
and the screen on the left
side appears.
Press the pattern switch you
desire to select.
Right blind stitch
Left blind stitch
2) As an example, press the
left blind stitch key and the
screen on the left side
appears to determine the
pattern.
Determined pattern
36
From the library of: Superior Sewing Machine & Supply LLC
6-6. Setting of the sewing shape
• Zigzag width can be set from “0” to 10 mm. (Set value is limited by the max.zigzag width limitation.)
• Stitch base line can be set as follows. When the center of zigzag is “0.0”, Right side : “+” Left side : “–”.
(1) Standard zigzag, 2-step zigzag and 3-step zigzag stitch
■Sewing shape list first screen
Standard zigzag
2-step zigzag
3-step zigzag
1) Select standard (2-step or 3-step) zigzag stitch in the sewing shape list first screen.
2) The selected shape reverses and is displayed on the left end of the screen.
3) Press
to display the sewing shape setting screen.
■Sewing shape setting screen
4 5 6 7
4 5
Setting of the zigzag width
Change the zigzag width
with +/– of switch 4.
Setting of the position of
stitch base line
Change the position of
stitch base line with +/– of
switch 5.
6 7
Setting of the position of sewing start
Set the position of sewing start with ▲/▼ of switch 6.
Sewing start
Optional Sewing start
Right Sewing start, left
Setting of the stop position
Set the stop position with ▲/▼ of switch 7.
Stop position, optional
Stop position, right
Stop position, left
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37
(2) Scallop stitching
■Sewing shape list first screen
1) Select scallop stitching 1
in the sewing shape list first
screen.
1
h
■Scallop selection pop-up screen
Left standard
scallop
Left equal-width
scallop of 24
stitches
Left crescent
scallop
Left equal-width
scallop of 12
stitches
2) Press the switch of pattern
to be selected from the
screen of the left figure.
Right standard
scallop
Right crescent
scallop
Right equal-width
scallop of 24
stitches
Right equal-width
scallop of 12
stitches
h
■Sewing shape list first screen
3) T h e s e l e c t e d s h a p e
reverses and is indicated
on the left end of the
screen.
4) Press
to display the
sewing shape setting
screen.
■Sewing shape setting screen
1 2 3 4 5
Setting of the zigzag width
Change the zigzag width
with +/– of switch 1.
Setting of the position of
stitch base line
1 2 3 4 5
38
Change the position of
stitch base line with +/– of
switch 2.
From the library of: Superior Sewing Machine & Supply LLC
Setting of the position of sewing start
Set the position of sewing start with ▲/▼ of switch 3.
Sewing start, root
Sewing start, crest
● Start from crest and start from root of scallop
Start from
root
Start of sewing
Needle position after
thread trimming
Start from
crest
Normally, scallop starts the
sewing with the pattern of
start from root. However,
start from crest can be
selected by changing the
setting.
Setting of the stop position right/left
Set the stop position with ▲/▼ of switch 4.
Stop position, optional
Stop position, right
Stop position, left
Setting of the stop position root/crest
Set the stop position with ▲/▼ of switch 5.
Stop position, optional
Stop position, root
Stop position, crest
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39
(3) Blind stitch sewing
■Sewing shape list first screen
1) Select the blind stitch
sewing in the sewing shape
list first screen.
1
h
■Blind stitch selection pop-up screen
2) Press the switch of pattern
to be selected from the
screen of the left figure.
Left blind stitch
Right blind stitch
h
■Sewing shape first screen
3) T h e s e l e c t e d s h a p e
reverses and is indicated
on the left end of the
screen.
4) Press
to display the
sewing shape setting
screen.
■Sewing shape setting screen
1 2 3
1 2 3
40
Setting of the zigzag width
Change the zigzag width
with +/– of switch 1.
Setting of the position of
stitch base line
Change the position of
stitch base line with +/– of
switch 2.
Change of the number of
stitches
Change the number of
stitches with switch 3.
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(4) Custom pattern stitching
■Sewing shape list first screen
1) Select custom pattern 1 in
the sewing shape list first
screen.
1
h
■Custom pattern selection pop-up screen
2) Press the custom pattern
No. to be selected.
h
■Sewing shape list first screen
3) T h e s e l e c t e d s h a p e
reverses and is indicated
on the left end of the
screen.
4) Press
to display the
sewing shape setting
screen.
■Sewing shape setting screen
1 2
Setting of the zigzag width
Change the zigzag width
with +/– of switch 1.
Setting of the position of
stitch base line
Change the position of stitch
1 2
base line with +/– of switch
2.
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41
6-7. Reverse feed stitching
1
OFF
ON
OFF
A
ON
A
B
B
Sewing
pattern
C
D
2
OFF
OFF
ON
Reverse feed stitching can be set with each zigzag pattern.
Effective/ineffective of reverse feed stitching can be set
by pressing reverse feed stitch at sewing start switch
and reverse feed stitch at sewing end switch 2. In case
the reverse feed stitching is effective, the respective
shapes of the reverse feed stitching are displayed. In case
of ineffective, the shape is not displayed.
C
D
ON
■Reverse feed stitching setting screen
1
2
For the reverse feed stitching, there are standard condensation, 2-point condensation and condensation custom.
42
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(1) Standard condensation
Standard condensation performs reverse feed stitching at the same needle entry as that of the selected zigzag
pattern.
Example) Reverse feed stitching at sewing end
Zigzag pattern section
2-step zigzag stitching
Standard condensation section
Process C : 4-times setting
Example) In case of free stitching of the standard zigzag stitch
1) Press
to display reverse feed stitching setting screen.
2) Set the shape of condensation and number of stitches.
1 : Select the shape of condensation at the sewing start.
2 : Set the number of stitches of process A with “+” and “–”.
3 : Set the number of stitches of process B with “+” and “–”.
4 : Select the shape of condensation at the sewing end.
5 : Set the number of stitches of process C with “+” and “–”.
6 : Set the number of stitches of process D with “+” and “–”.
Display section of 1 and 4 : Standard condensation, 2-point condensation and condensation custom
(20 patterns) are changed over and displayed.
■Reverse feed stitching setting (standard condensation) screen
1 2 3 4 5 6
1 2 3 4 5 6
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43
* For the reverse feed stitching setting, there are two kinds of methods below according to the zigzag patterns.
1) In case of straight stitch, scallop stitch, blind stitch, custom and continuous stitch, set the reverse feed
stitching with the number of stitches.
Reverse feed stitching at sewing start → A (feed in normal direction) : 0 to 19 stitches can be set.…… 2
B (feed in reverse direction): 0 to 19 stitches can be set.…… 3
Reverse feed stitching at sewing end → C (feed in reverse direction): 0 to 19 stitches can be set.…… 5
D (feed in normal direction) : 0 to 19 stitches can be set.…… 6
* The pictures in case of straight stitching are 1 sewing start
and 4 sewing end
.
2) In case of standard zigzag, 2-step zigzag and 3-step zigzag, set the reverse feed stitching with the number
of times of zigzag pattern. Zigzag pattern means the space between the returning points of zigzag.
Reverse feed stitching at sewing start → A (feed in normal direction) : 0 to 19 times can be set.……… 2
B (feed in reverse direction): 0 to 19 times can be set.……… 3
Reverse feed stitching at sewing end → C (feed in reverse direction): 0 to 19 times can be set.……… 5
D (feed in normal direction) : 0 to 19 times can be set.……… 6
1 time
1 time
1 time
2 time
2 time
2 time
standard zigzag stitch
2-step zigzag stitch
3-step zigzag stitch
(2) 2-point condensation
2-point condensation performs reverse feed stitching of two points between the existing needle entry of the
selected zigzag pattern and the next needle entry.
The width between two points can be adjusted in the direction of “–”.
Example) Reverse feed stitching at sewing end
Zigzag pattern section
2-step zigzag stitch
2-point condensation section
Process C : 4 stitches setting
Compensation can be performed in the direction of “–”. (In case of the
figure, the width narrows to the left side.)
Example) In case of free stitching of the standard zigzag stitch
1) Press
to display reverse feed stitching setting screen.
2) Set the shape of condensation and number of stitches with the first screen.
1 : Select the shape of condensation at the sewing start.
2 : Set the number of stitches of process A with “+” and “–”. 0 to 19 stitches can be set.
3 : Set the number of stitches of process B with “+” and “–”. 0 to 19 stitches can be set.
4 : Select the shape of condensation at the sewing end.
5 : Set the number of stitches of process C with “+” and “–”. 0 to 19 stitches can be set.
6 : Set the number of stitches of process D with “+” and “–”. 0 to 19 stitches can be set.
Display section of 1 and 4 : Standard condensation, 2-point condensation and condensation custom (20
patterns) are changed over and displayed.
44
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3) Set 2-point condensation width adjustment with the second screen. (Width can be narrowed up to max. – 5 mm.)
7 : Set 2-point condensation width adjustment at the sewing start.
8 : Set 2-point condensation width adjustment at the sewing end.
* 2-point condensation width adjustment can narrow the width from the first needle entry position to the next
needle entry position when performing the reverse feed stitching. (When set value is “0”, there is no
compensation.)
* When the width adjustment is performed, the width between 2 points can be narrowed and the fray of thread
is lessened.
■The first screen of reverse feed stitching setting (2-point condensation)
1 2 3 4 5 6
1 2 3 4 5 6
▲
Press
to display the second screen.
■The second screen of reverse feed stitching setting (2-point condensation)
7 8
7 8
▲
Press
to display the first screen.
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45
(3) Condensation custom
Condensation custom performs reverse feed stitching with the optional needle entry which has been inputted.
1) Select the shape of condensation with the first screen.
1: Select the shape of condensation at the sewing start.
3 : Select the shape of condensation at the sewing end.
2, 4 : Needle entry position is displayed.
2) Set the width of condensation custom pattern with the second screen.
5 : Set the width of condensation custom pattern at the sewing start.
6 : Set the width of condensation custom pattern at the sewing end.
* Separately set inputted zigzag width of condensation custom from that of normal sewing section. Set the width
within the range of maximum zigzag width limitation.
* By setting the width, the needle entry differs from actually inputted needle entry position.
■The first screen of reverse feed stitching setting (condensation custom)
Press
1 2
3 4
1 2
3 4
to move the screen to the edit screen.
* For the editing procedure, refer to "9.".
▲
Press
to display the second screen.
■The second screen of reverse feed stitching setting (condensation custom)
5 6
5 6
46
▲
Press
to display the first screen.
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(4) Comparision table of the reverse stitch of each shape
Standard condensation
Sewing start
Sewing end
2-point condensation
Sewing start
Sewing end
Condensation custom
Sewing start
Sewing end
Straight stitch
Standard zigzag
stitch
2-step zigzag
stitch
3-step zigzag
stitch
Scallop
Blind stitch
Custom
Continuous stitch
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47
6-8. Selection of the kind of stitching
Impor tant Standard delivery level of the key lock is “1”. When the level of the key lock is the case
other than “0”, be sure to change the level to “0” to perform the operation below.
Example) Standard zigzag
■Sewing shape setting screen
1
Select the kind of stitching
from among free stitching
,
overlapped stitching
and
programmed stitching
.
Press switch 1 of sewing
shape setting screen to select
the kind.
1
(1) Overlapped stitching
■Overlapped stitching setting screen
2 3 4 5
2 3 4 5
1) Select
showing overlapped stitching with 1 of sewing shape setting screen.
2) Press
to display overlapped stitching setting screen.
3) Set the number of stitches and number of processes of the respective processes in the overlapped stitching
setting screen
2 : Set the number of stitches of process A with “+” and “–”. 0 to 19 stitches for the number of stitches of
section A can be set.
3 : Set the number of stitches of process B with “+” and “–”. 0 to 19 stitches for the number of stitches of
section B can be set.
4 : Set the number of stitches of process C with “+” and “–”. 0 to 19 stitches for the number of stitches of
section C can be set.
5 : Set the number of processes with “+” and “–”. 0 to 9 times for the number of processes can be set.
4) By performing depressing the front part of the pedal, the sewing machine repeats the specified number of
times of normal and reverse feed stitching, performs automatic thread trimming and stops.
* Turn ON the thread trimming prohibition switch ON when you desire to stop the sewing machine with
needle UP position without performing thread trimming after all processes have been completed.
* Thread trimming is performed at any occasion in case of one-shot stitching and the last of process. The
one-shot stitching cannot be turned OFF.
(2) Programmed stitching
■Programmed stitching
Programmed stitching can program the constant-dimension stitching process up to 20 steps and set the number
of stitches to each step up to 500 stitches.
* For the programmed stitching, the pattern registration cannot be performed.
48
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Example) Standard zigzag
■Sewing shape setting screen
1
1) S e l e c t
showing
programmed stitching with
1 of sewing shape setting
screen.
1
■Programmed stitching selection screen
2
▲
▲
2
Press
, in case of more than 10 steps, and programmed stitching selection
screen of “11” to “20” is displayed.
Press
and the screen returns to programmed stitching selection screen of
“01” to “10”.
2) Press
to display the
programmed stitching
setting screen.
3) Number of stitches of each
step is displayed in the
programmed stitching
setting screen.
Press switch 2 corresponding
to each step and the screen
moves to the programmed
stitching edit screen.
Impor tant When automatic thread trimming is selected, “0” is not displayed in the last step.
When increasing the number of steps, proceed to the next step after releasing automatic thread
trimming.
■Programmed stitching edit screen
3
4
5
6
3
4
4) Set the number of stitches of each step in the programmed stitching edit screen.
3 : Set the step with “+” and “–”. As many as 20 steps can be set.
4 : Set the number of stitches with “+” and “–”. As many as 500 stitches can be set.
5) When setting of all steps has been completed, select automatic thread trimming 6 at the last step, or set “0”
stitch to the next step.
When the last step is “20”, it is not necessary to set “0” stitch at the next step.
6) When setting is completed, press
key to determine the contents of setting.
Cau tion When the power source is turned OFF without pressing
key, the inputted data returns
to the former one. When you desire to determine the data, be sure to press
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key.
49
■One-shot automatic stitching
One-shot automatic stitching can be set by each step.
1) In the programmed stitching edit screen, press one-shot automatic stitching switch 5 to select the one-shot
automatic stitching. (When it is in the selected state, a mark is displayed on the side of switch 5.)
2) In the step where the one-shot automatic stitching has been selected, the sewing machine will automatically
continue sewing, once the sewing machine starts running, until the number of stitches of the step is reached.
■Teaching
Teaching can input the number of stitches of inputting step with the number of stitches which has been actually sewn.
1) Press
switch in the programmed stitching edit screen and the teaching mode is selected.
2) Depress the front part of the pedal to sew until the last stitch of the step is reached.
* At this time, input of number of stitches cannot be performed by turning handwheel by hand or using needle
up/down compensating switch.
3) Stop the sewing machine with the pedal in the neutral position and the number of stitches which has been
sewn is displayed on 2.
1 : Set the step with “+” and “–”.
2 : Number of stitches which has been sewn can be corrected by hand with “+” and “–”.
4) Make the step of 1 proceed to the subsequent step or make the sewing machine perform thread trimming.
Then the input of the number of stitches for the step is completed.
■Teaching screen
1
2
1
2
6-9. Custom pattern
Impor tant Standard delivery level of the key lock is “1”. When the level of the key lock is the case
other than “0”, be sure to change the level to “0” to perform the operation below.
Free needle entry position can be specified and optional zigzag pattern can be created.
As many as 20 patterns can be created and as many as 500 stitches of each pattern can be inputted.
(1) Custom pattern setting
■Sewing shape list screen
1) Press switch 1 of
in
the sewing shape list
screen.
1
50
From the library of: Superior Sewing Machine & Supply LLC
■Custom pattern selection pop-up screen
2
2) Press switch 2 corresponding
to the pattern which has
been registered in the
custom pattern selection
pop-up screen.
■Sewing shape setting screen
3 4 5
6
3 4 5
3) Press
to display the sewing shape setting screen.
4) Zigzag width, position of stitch base line, etc. of custom pattern can be set in the sewing shape setting
screen.
3 : Select free stitching, overlapped stitching or programmed stitching.
4 : Set the zigzag width with “+” and “–”. (The whole can be enlarged or reduced taking the inputted left
and right positions as reference.)
5 : Set the position of stitch base line with “+” and “–”.
6 : Needle entry position is displayed.
(2) New creation of the custom pattern
Custom pattern is newly created.
■New creation pop-up screen
1) Press
1
1
in the custom pattern selection pop-up screen to display the new creation pop-up screen.
2) Nos. which have not been registered at present are displayed in 1. Select the No. you desire to obtain with
“+” and “–”.
When
3) When
is pressed here, the screen returns to the former one without creating the pattern.
is pressed, new creation is performed.
The No. which has been created is in the selective state. Continue to perform the edit of custom pattern.
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51
(3) Custom pattern edit
1) Press switch of
in the sewing shape setting screen to move to the custom pattern edit screen.
■Custom pattern edit screen
!3
!0
7 8 9
7 8 9 !1
!2
2) Set the needle entry position and sewing direction of each step in the custom pattern edit screen.
7 : Set the step with “+” and “–”.
8 : Set the value of needle entry point from the center of zigzag with “+” and “–”. “+” value comes on the
right side and “–” value on the left side.
9 : Select normal direction and reverse direction with the feed direction.
!0 : Needle entry position is displayed. (In display of the needle entry position, all positions are displayed
as the normal direction.)
!1 : Insert needle entry point 0.0 for one stitch to the existing step. Then the stitches move backward one
stitch by one stitch.
* It is not possible to insert it when the number of total stitches is 500 stitches.
!2 : Delete one stitch of the needle entry of the existing step. Then the stitches move forward one stitch by
one stitch.
* It is not possible to delete it when the number of total stitches is “1” stitch.
3) When setting is completed up to the last step, proceed to the next step, press !3
and put END mark
* When the number of stitches of the last step is 500 stitches, it is not necessary to set “END” mark
4) When the setting is completed, press
.
.
key to determine.
Cau tion When the power source is turned OFF without pressing
key, the inputted data returns
to the former one. When you desire to determine the data, be sure to press
key.
Cau tion When the setting of reverse direction is performed in the setting of the feed direction of
the custom pattern, the max. speed is limited to 1,100 rpm.
(4) Registration, copy and deletion of the custom pattern
■Pop-up screen of registration, copy and deletion of custom pattern
1
Press
2
3
in the sewing shape setting screen, and the pop-up screen of registration, copy and deletion of
custom pattern appears. Then registration, copy and deletion of the custom pattern can be performed.
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○ Registration of pattern
■Registration pop-up screen
4
4
1) Press
1 in the pop-up screen of registration, copy and deletion of custom pattern.
2) Select the pattern No. you desire to register with 4 in the registration pop-up screen.
When
3) When
is pressed here, the screen returns to the former one without registering the pattern.
is pressed, registration is performed.
After registration, the registered pattern is in the selective state.
○ How to copy
■Copy pop-up screen
1) Press
5
6
5
6
2 in the pop-up screen of registration, copy and deletion of custom pattern.
2) Copy pop-up screen is displayed.
5 : Select the custom pattern of copy source with “+” and “–”. (It is possible to select only No. which
has been registered.)
6 : Select the custom pattern of copy destination with “+” and “–”. (It is possible to select only No.
which has been not registered.)
When
is pressed here, the screen returns to the former one without performing copy.
3) When
is pressed, copying is performed.
When copying is performed, the No. which is selected as copy destination is in the selective state.
○ How to delete
■Deletion pop-up screen
7
7
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53
1) Press
3 in the copy pop-up screen and the deletion pop-up screen to display the deletion pop-up
screen.
2) Select the pattern No. you desire to delete in the deletion pop-up screen.
7 : Select the pattern to be deleted with “+” and “–”.
When
3) When
is pressed here, the screen returns to the former one without deleting.
is pressed, deletion is performed.
Cau tion Once the data is deleted, it does not return to the former one. Be sure to press
after
carefully checking the data.
Reference
When the number of registered pieces is one, deletion cannot be performed. When you
desire to delete it, perform deletion after creating another No.
The custom pattern registered in the pattern cannot be deleted.
6-10. Condensation Custom
Impor tant Standard delivery level of the key lock is “1”. When the level of the key lock is the case
other than “0”, be sure to change the level to “0” to perform the operation below.
Condensation custom can perform condensation by specifying free needle entry position.
Condensation custom patterns can be created up to as many as 64 steps. As many as 20 patterns can be
registered at the sewing start and the sewing end respectively.
(1) Condensation custom setting
■Reverse feed stitching setting (condensation custom) screen
1) Press
1
3
1 2
3 4
to display the reverse feed stitching setting screen.
2) Select the shape of condensation in the reverse feed stitching screen.
1 : Select the shape of condensation at sewing start from among 1 to 20.
Standard condensation
, 2-point-condensation
and condensation customs
to
are
to
are
changed over and displayed in the display section.
3 : Select the shape of condensation at sewing end from among 1 to 20.
Standard condensation
, 2-point condensation
and condensation customs
changed over and displayed in the display section.
2 and 4 : Needle entry position is displayed when selecting the condensation custom.
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(2) Condensation custom edit
■Condensation custom edit screen
1 2
1 2
1) Press
3
4
6
5
to display the reverse feed stitching setting screen.
2) Press 2 or 4
in the reverse feed stitching setting screen to move to the condensation custom edit screen.
3) Set the needle entry position for each step in the condensation custom edit screen.
1 : Set the step with “+” and “–” key.
2 : Set the value of needle entry point from the center of zigzag with “+” and “–”. “+” value comes on
the right side and “–” value on the left side.
3 : Needle entry position is displayed.
4 : Insert needle entry point 0. 0 for one stitch to the existing step. Then the stitches move backward
one stitch by one stitch.
* It is not possible to insert it when the number of total stitches is 64 stitches.
5 : Delete one stitch of the needle entry of the existing step. Then the stitches move forward one stitch by
one stitch.
* It is not possible to delete it when the number of total stitches is “1” stitch.
Example of condensation custom creation
Example) Condensation custom at sewing start Width 4 mm for standard zigzag stitch
Needle 1st
entry
stitch
2nd
stitch
3rd
stitch
4th
stitch
5th
stitch
6th
stitch
7th
stitch
8th
stitch
9th
stitch
10th
stitch
11th
stitch
Input
value
– 0.7
0.6
2.0
0.6
– 0.7
– 2.0
– 0.7
0.6
2.0
END
– 2.0
1 Input the data in the list above to each step.
■Reverse feed stitching setting screen
1
2 Set to 4 mm at 1.
When 1 is changed, the inputted needle entry can be enlarged/reduced.
4) When setting up to the last step is completed, proceed to the next step, press
* When the last step is 64, it is not necessary to set "END" mark
6 and put END mark
.
.
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5) When all inputting procedures have been completed, press
key to determine.
Cau tion When the power source is turned OFF without pressing
key, the inputted data returns
to the former one. When you desire to determine the data, be sure to press
Impor tant
key.
Feed direction of all of the condensation custom patterns is in the reverse feed direction.
6-11. Pattern stitching
Impor tant Standard delivery level of the key lock is “1”. When the level of the key lock is the case
other than “0”, be sure to change the level to “0” to perform the operation below.
The respective shapes of straight stitch, standard zigzag, 2-step zigzag, 3-step zigzag, scallop, blind stitch, and
custom can be registered in the pattern.
Patterns, the zigzag width of which is different from each other, and those, the positions of the stitch base line
of which are different from each other can be changed over and used without re-setting the data even in case
of the same zigzag shape by registering as patterns.
It is possible to register as many as 99 patterns.
(1) Setting the pattern stitching
Example) Scallop stitching
■The second screen of the sewing shape list
1) S e l e c t
1 in the
second screen of the
sewing shape list.
1
■Pattern selection pop-up screen
2
2) P r e s s s w i t c h 2
corresponding to the
sewing which has been
registered, or the pattern
you desire to edit in the
pattern selection pop-up
screen.
to display the
3) Press
sewing shape setting
screen.
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■Sewing shape setting screen
1
3
* When there is the second
1
2 3
▲
screen,
4 is displayed.
4 5
4) Setting of the respective items can be performed in the sewing shape setting screen.
Shape
Zigzag width
Position of
stitch base line
Position at
sewing start
Stop position
Number of stitches of
blind stitch
Straight
−
○
−
−
−
Standard zigzag
○
○
○
○
−
2-step zigzag
3-step zigzag
Scallop
○
○
○
○
−
Blind stitch
○
○
−
−
○
Custom
○
○
−
−
−
1: Pattern No. which has been registered can be selected with “+” and “–”.
2 : Select the pattern shape. Sewing shape can be changed by the pattern No. which is being selected at
present.
Cau tion
When the sewing shape is changed, the respective setting data return to the initial values.
3 : Select the kind of stitching. Free stitching and overlapped stitching can be selected.
(2) Registering the pattern stitching
It is possible to register at the time of free stitching and overlapped stitching.
Select in advance the shape you desire to register from the sewing shape list screen.
Example) Scallop stitching
■Sewing shape setting screen
1) Press
to display the
sewing shape setting
screen.
2) Press
1 to display
the new registration pop-up
screen in the sewing shape
setting screen.
1
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57
■New registration pop-up screen
2
3) Select the pattern No. to
which you desire to
register with 2 in the new
registration pop-up screen.
When
is pressed here,
the screen returns to the
former one without
performing the registration.
2
4) When
is pressed,
registration is performed.
The registered pattern is in
the selective state after
registration has been
performed.
(3) Copy and deletion of the pattern stitching
Press
5 in the sewing shape setting screen to display the copy and deletion pop-up screen. Then copy
and deletion of the pattern stitching can be performed.
○ How to copy
■Copy and deletion pop-up screen
1) Press
1 in the copy
and deletion pop-up screen
to display the copy pop-up
screen.
1
■Copy pop-up screen
3
2
4
2) Set the pattern Nos. of the
copy source and copy
destination in the copy popup screen.
3
4
3 : Select pattern No. of the copy source with “+” and “–”. (Registered Nos. only can be selected.)
4 : Select pattern No. of the copy destination with “+” and “–”. (Non-registered Nos. only can be selected.)
When
3) When
is pressed here, the screen returns to the former one without performing copy.
is pressed, copy is performed.
No. of the copy destination is in the selective state after copy has been performed.
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○ How to delete
■Deletion pop-up screen
5
1) Press
and deletion pop-up screen
to display the deletion popup screen.
2) Select pattern No. you
desire to delete in the
deletion pop-up screen.
5 : Select the pattern to be
deleted with “+” and “–”.
5
When
3) When
Cau tion
is pressed here, the screen returns to the former one.
is pressed, deletion is performed.
Once the deletion is performed, the data is not restored.
Be sure to carefully check before pressing
Reference
2 in the copy
.
When the number of registered pieces is one, deletion cannot be performed. When you
desire to delete it, perform deletion after creating another No.
The pattern used in continuous stitching or cycle stitching cannot be deleted.
6-12. Continuous stitching
Impor tant Standard delivery level of the key lock is “1”. When the level of the key lock is the case
other than “0”, be sure to change the level to “0” to perform the operation below.
Continuous stitching can sew the different zigzag patterns in combination.
Changeover of the respective patterns can be set with the number of stitches.
Continuous stitching can combine as many as 20 steps and 500 stitches per step can be set. In addition, up to
10 patterns can be registered.
To perform the continuous stitching, it is necessary to register in advance the pattern to be used in each step.
2-step zigzag stitch
Number of stitches :
4 stitches
Standard zigzag
stitchNumber of
stitches : 4 stitches
3-step zigzag stitch
Number of stitches :
4 stitches
Example) When you desire to create the needle
entry positions as shown in the figure
below.
1) Register in advance standard zigzag stitch at
pattern 1, 2-step zigzag stitch at pattern 2, and 3step zigzag stitch at pattern 3.
2) Set the number of stitches as shown in the table
below.
No. of step
Pattern No.
Number of stitches
1
2
4
2
1
4
3
3
4
3) When “END” mark
is set to the 4th step,
registration has been completed.
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59
(1) New creation of the continuous stitching
Continuous stitching pattern can be newly created.
■New creation pop-up screen
1
1
1) Press
in the continuous stitching selection pop-up screen to display the new creation pop-up screen.
2) Nos. which have not been registered at present are displayed in 1. Select the No. you desire to obtain with
“+” and “–”.
When
3) When
is pressed here, the screen returns to the former one without creating the pattern.
is pressed, new creation is performed.
The No. which has been created is in the selective state. Continue to perform the continuous stitching edit.
(2) Continuous stitching edit
■The second screen of the sewing shape list
1
■Continuous stitching selection pop-up screen
2
1) Select
1 in the second screen of the sewing shape list.
2) Press switch 2 corresponding to the sewing which has been registered, or the pattern you desire to edit in
the continuous stitching selection pop-up screen.
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■Continuous stitching setting screen
3 4 5 6 7
3 4 5
3) Press
to display the continuous stitching setting screen.
4) Zigzag width and position of stitch base line can be set in the continuous stitching setting screen.
3 : Set zigzag width after combining with “+” and “–”.
4 : Set the position of stitch base line with “+” and “–”.
3 : Select the registered step with “+” and “–”.
6 : Pattern No. of the step which is being selected at present is displayed. Editing cannot be performed.
7: Number of stitches of the step which is being selected at present is displayed. Editing cannot be
performed.
5) Press
to move to the continuous stitching edit screen.
■Continuous stitching edit screen
8 9 !0
!1
8 9
!1
6) Select the pattern and set the number of stitches in each step in the continuous stitching edit screen.
8 : Set the step with “+” and “–”. As many as 20 steps can be set.
9 : Set the pattern No. with “+” and “–”. (Registered pattern only can be set.)
!0 : Sewing shape of the pattern which has been selected at 9 is displayed.
!1 : Set the number of stitches with “+” and “–”. As many as 500 stitches can be set.
7) When setting up to the last step is completed, proceed to the next step, press 9 and put END mark
* When the last step is 20, it is not necessary to set “END” mark
8) When all settings have been completed, press
.
.
key to determine.
Cau tion When the power source is turned OFF without pressing
key, the inputted data returns
to the former one. When you desire to determine the data, be sure to press
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key.
61
(3) Copy and deletion of the continuous stitching
Press
in the continuous stitching setting screen, and the copy and deletion of continuous stitching pop-up
screen is displayed. The copy and deletion of the continuous stitching pattern can be performed.
○ How to copy
■Copy and deletion of continuous stitching pop-up screen
1
■Copy pop-up screen
3
4
3
4
○ How to delete
■Deletion pop-up screen
2
1) Press
1 in the copy
and deletion of continuous
stitching pop-up screen.
2) The copy pop-up screen is
displayed.
3 : Select the continuous
stitching pattern of the
copy source with “+”
and “–”.
4 : Select the continuous
stitching pattern of the
copy destination with
“+” and "–".
When
is pressed here,
the screen returns to the
former one without
performing copy.
is pressed, copy
3) When
is performed.
The No. which is selected
to the copy destination is in
the selective state after
copy has been performed.
5
5
1) Press
2 in the copy and deletion of continuous stitching pop-up screen.
2) The deletion pop-up screen is displayed.
5 : Select the continuous stitching pattern to be deleted with “+” and “–”.
When
3) When
is pressed here, the screen returns to the former one without performing deletion.
is pressed, deletion is performed.
Cau tion Once the data is deleted, it does not return to the former one. Be sure to press
after
carefully checking the data.
Reference
62
When the number of registered pieces is one, deletion cannot be performed. When you
desire to delete it, perform deletion after creating another No.
The continuous stitching used in cycle stitching cannot be deleted.
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6-13. Cycle stitching
Impor tant Standard delivery level of the key lock is “1”. When the level of the key lock is the case
other than “0”, be sure to change the level to “0” to perform the operation below.
Cycle stitching can change over the different patterns in order and perform the sewing.
In addition, by setting the number of stitches, programmed stitching with different needle entry positions for
each step can be performed.
Cycle stitching can be set up to max. 20 steps and 10 kinds can be registered.
To perform the cycle stitching, it is necessary to register in advance the patterns which are used in each step.
(1) New creation of the cycle stitching
Cycle stitching pattern can be newly created.
■New creation pop-up screen
1) Press
1
1
in the cycle stitching selection pop-up screen to display the new creation pop-up screen.
2) Nos. which have not registered at present are displayed in 1. Select the No. you desire to obtain with “+”
and “–”.
When
3) When
is pressed here, the screen returns to the former one without creating.
is pressed, new creation is performed.
The No. which has been created is in the selective state. Continue to set the cycle stitching.
(2) Cycle stitching edit
■The second screen of sewing shape list
1
■Cycle stitching selection pop-up screen
2
1) S e l e c t
1 in the
second screen of the
sewing shape list.
2) P r e s s s w i t c h 2
corresponding to the
registered sewing, or
patterns you desire to edit
in the cycle stitching
selection pop-up screen.
3) Press
to display the
cycle stitching setting
screen.
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63
■Cycle stitching setting screen
3 4 5 6 7
3
4) Setting of each step can be displayed in the cycle stitching setting screen.
3 : Select the registered steps with “+” and “–”.
4 : Pattern No. which is being selected at present is displayed. Editing cannot be performed.
5 : Stop state of the step which is being selected at present is displayed. Editing cannot be performed.
6 : Number of stitches of the step which is being selected at present is displayed. Editing cannot be performed.
7 : Position of the presser of the step which is being selected at present is displayed. Editing cannot be
performed.
5) Press
to display the cycle stitching edit screen.
■Cycle stitching edit screen
8 9 !0 !1 !2 !3
8 9 !0 !1 !2 !3
6) Set pattern No., number of stitches, stop position and position of the presser for each step in the cycle
stitching edit screen.
8 : Set the step with “+” and “–”. As many as 20 steps can be set.
9 : Select pattern No. with “+" and “–”. (Pattern Nos. to which patterns have been registered only can be set.)
!0 : Set the number of stitches with “+” and “–”. As many as 500 stitches can be set.
!1 : Select the stop state of the step.
q Needle DOWN stop
w Needle UP stop
e Thread trimming (Effective only when the thread trimming device is provided.)
!2 : Select the position of the presser. (Only when the auto-lifter is provided.)
q Presser UP stop
w Presser DOWN stop
!3 : When the presser UP stop
is selected at !2, set the presser lifting time
with “+” and “–”.
7) When setting up to the last step is completed, proceed to the next step, press 9 and put END mark
* When the last step is 20, it is not necessary to set “END” mark
8) When all settings have been completed, press
64
.
key to determine.
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.
(3) Copy and deletion of the cycle stitching
Press
in the cycle stitching setting screen to display the copy and deletion of cycle stitching pop-up screen.
Then copy and deletion of the cycle stitching pattern can be performed.
○ How to copy
■Copy and deletion of cycle stitching pop-up screen
1
■Copy pop-up screen
3
4
3
4
2
1 in the copy and deletion of cycle stitching pop-up screen.
1) Press
2) Copy pop-up screen is displayed.
3 : Select the cycle stitching pattern of the copy source with “+” and “–”. (It is possible to select only No.
which has been registered.)
4 : Select the cycle stitching pattern of the copy destination with “+” and “–”. (It is possible to select only
No. which has been not registered.)
When
3) When
is pressed here, the screen returns to the former one without performing copy.
is pressed, copy is performed. The No. which is selected to the copy destination is in the selective
state after copy has been performed.
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65
○ How to delete
■Deletion pop-up screen
5
5
1) Press
2 in the copy and deletion of cycle stitching pop-up screen.
2) Deletion pop-up screen is displayed.
5 : Select the cycle stitching pattern to be deleted with “+” and “-”.
When
3) When
is pressed here, the screen returns to the former one without performing deletion.
is pressed, deletion is performed.
Cau tion Once deletion is performed, the data is not restored. Be sure to carefully check before
pressing
Reference
.
When the number of registered pieces is one, deletion cannot be performed. When you
desire to delete it, perform deletion after creating another No.
(4) Teaching
Teaching can input the number of stitches of inputting step with the number of stitches which has been actually
sewn.
1) Press
switch in the cycle stitching edit screen and the teaching mode is obtained.
2) Depress the front part of the pedal to sew until the last stitch of the step is reached.
* At this time, input of the number of stitches cannot be performed by turning the handwheel by hand or using
the needle up/down compensating switch.
3) Stop the sewing machine with the pedal in the neutral position and the number of stitches which has been
sewn is displayed on 1.
1 : Number of stitches which has been sewn can be corrected by hand with “+” and “–”.
4) Make the sewing machine perform thread trimming and input of the number of stitches for the step is completed.
(Proceeding to the next step and performing teaching cannot be performed.)
Step returns to “1” with thread trimming motion. When inputting the next step with teaching, re-set the step.
■Teaching screen
1
1
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(5) Performing the constant-dimension stitching using the cycle stitching
Constant-dimension stitching, zigzag patterns of which are different from each other in the respective steps can
be performed by setting the number of stitches in the cycle stitching.
Label
Step 1
Step 2
Example) In the process of label attaching, change over
the zigzag patterns of constant-dimension
stitching of standard zigzag stitch and
straight stitch as shown in the figure, and
perform the constant-dimension stitching.
1) Register in advance the standard zigzag stitch for the
shape of pattern 1 and the straight stitch for the shape
of pattern 2.
2) Set the number of stitches in each step as shown in
the table.
No. of step
Step 4
Step 3
Pattern No. Number of stitches
1
1
100
2
2
50
3
1
100
4
2
50
3) Set “END” mark
registration.
to the 5th step to complete
6-14. Counter
There are two kinds of the counters, thread trimming counter and bobbin thread counter.
(1) Thread trimming counter
1
2
3
Picture of
is displayed in 1.
Every time thread trimming is performed, the value
increases by 1 count. (0 → 1 → 2 ...... → 9999)
Counter value can be corrected with counter value setting
switch 3.
In addition, the thread trimming counter value returns to
“0” when reset switch 2 is pressed.
(2) Bobbin thread counter
Picture of
is displayed in 1.
The counter subtracts from the predetermined value set with counter value setting switch 3 in accordance with
the number of stitches of the sewing machine.
When the counter value reaches minus, the buzzer informs about the fact and urges the time of replacement of
bobbin thread.
1) Press the reset switch to return the display of bobbin thread counter to the initial set value.
Cau tion
Resetting cannot be performed during sewing. Perform thread trimming once.
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67
2) Set the initial value with “+” and “–” switch. When the switch is held pressed and the set value exceeds the
digit of 100, the set value increases/decreases by 100 unit. When setting the value near to 100 digit, press
the switch each time.
3) Setting of the initial value is performed, start the sewing.
4) When the bobbin thread counter reaches minus and the buzzer beeps, the bobbin thread replacement
warning pop-up below appears.
■Bobbin thread replacement warning pop-up
5) Press the reset switch to erase the pop-up. Press again the reset switch to return the value to the initial one
and re-start the sewing.
* When the thread remaining amount is large, or bobbin thread has run out before the bobbin thread counter
reaches minus, adjust the initial set value with “+” or “–” of bobbin thread amount setting switch.
* As a matter of fact, bobbin thread amount changes in accordance with the thickness of cloth or sewing
speed. Adjust the counter in accordance with the sewing conditions.
6-15. Information
Setting and checking of various data can be performed with the information.
For the information, there are the operator level and the maintenance personnel level.
[Operator level]
1
1) Turn ON the power. When the needle bar is not in the UP position, turn the handwheel to bring the needle
bar to its UP position.
2) Press switch 1 to display the information screen.
■Information screen (operator level)
2: Sewing common data
3: Sewing management
information
2
68
3
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(1) Sewing common data
1) Press 2 in the information screen.
■The first screen of sewing common data setting
1 2 3
1 2 3
2) Set the items below in the first screen.
1 : Limiting procedure of max. zigzag width limitation
For the limiting procedure of max. zigzag width
limitation, there are two settings below.
2 : Max.zigzag width limitation value
* Display varies according to the procedure selected
in 1.
1) When the center is set in 1 :
Max.zigzag width limitation value (center)
1) Center
2) Left/right
3 : Reference of stitch base line
For the reference of stitch base line,
there are three settings below.
1) Center
2) When the left/right is set in 1 :
Max.zigzag width limitation value (right)
Max.zigzag width limitation value (left)
2) Right
3) Left
3) Set the items below in the second screen.
■The second screen of sewing common data setting
4 5 6 7 8
4 5 6 7 8
4 : Mirror function setting
Mirror inversion means the function that the reverse pattern stitching is performed after pressing the
mirror inversion switch during temporary stop of sewing.
The sewing patterns that the mirror inversion is possible are scallop, custom, continuous stitching and
cycle stitching.
For the mirror inversion, there are two settings below.
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69
1) 1 pattern
: Mirror inversion is “1” pattern
Sewing direction
only. After completion of inversion pattern,
LED lights up.
the pattern returns to the original one.
2) Continuous
: The machine continuously
Pattern
mode
operates the inversion pattern after the
inversion until thread trimming is performed
or, the mirror switch is pressed again.
Continuous
mode
* For the details, refer to “Mirror switch”, p.95.
Mirror switch
ON
LED
lights up.
5 : Position of the stitch base line of condensation custom
The mode is the operation mode in terms of the stitch base line of condensation custom when the
reference of the stitch base line is set to that of center stitch base line.
For the condensation custom, there are two settings below.
1) Travelling together
: This is the mode that travels the positions of stitch base line of condensation
custom and zigzag pattern together.
2) Fixed
: This is the mode that fixes condensation custom to the input data position.
6 : Counter function
ON
/ OFF
of the function of thread trimming counter or bobbin thread counter is set.
When OFF is set, even the counter display is not performed.
7 : Key lock
It is possible to lock the setting switch so that the zigzag width that has been set once or the contents
of custom pattern is not changed by mistake. However, it is possible to change ON/OFF of the reverse
feed stitch, thread trimming prohibiting switch, specified zigzag stop position and bobbin thread counter.
For the key lock, there are three kinds of settings below.
Level “0”
: All items can be changed.
Level “1”
:
is displayed on the right end of the screen.
Kind of sewing
Pattern : Change of pattern and registration
Custom : New creation and edit
Condensation custom : Edit
Continuous stitching : New creation, copy, deletion and edit
Cycle : New creation, copy, deletion and edit cannot be changed.
Level “2”
:
is displayed on the right end of the screen.
Items other than reverse feed stitching ON/OFF, thread trimming prohibition switch, specifying
zigzag stop position and bobbin thread counter cannot be changed.
Impor tant
Level of the standard delivery is “1”. When changing the locked contents of level “1”, it
is necessary to set the level to Level “0” once.
8 : Selection of max. zigzag width limitation display when the power is turned ON
Whether the max. zigzag width limitation value is displayed or not when the power is turned ON can be
selected.
Every time the setting switch is pressed, display/non-display is changed over alternately.
1) Display
2) Non-display
70
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(2) Sewing management information
For the sewing management information, there are warning of time of replacement of needle, that of time of
cleaning and that of time of replacement of oil as the maintenance management information.
[Maintenance management function]
■Sewing management information screen
1
1) Press 1 to display the maintenance function screen.
■Maintenance function screen
2
3
4
[Explanation of the respective items]
2 Time of replacement of needle Unit : × 1,000 stitches
3 Time of cleaning Unit : Hour
4 Time of replacement of oil Unit : Hour
[Explanation of the contents of display]
(Numerator / denominator)
* Number of remaining stitches up to *thousand stitches / **thousand stitches
Example) Replacement of needle
100 / 1600 kn
Time of replacement of needle is informed every 1,600 thousand stitches.
Time of replacement of needle is informed after 100 thousand stitches.
When 2, 3 and 4 switches are pressed, the clear checking screen is displayed.
From the library of: Superior Sewing Machine & Supply LLC
71
1
■Clear screen
2
1 : The screen returns to the maintenance function screen without performing clearing.
2 : The screen returns to the maintenance function screen after executing clearing.
■Warning screen
Warning screen is displayed when the warning time is reached.
1
2
1 : When 1 is pressed, the screen can be cleared. However, the counter itself cannot be cleared. In case of
the replacement of needle, the warning screen is displayed at intervals of 10 minutes until clearing is
performed. In case of other warnings, the warning screen is displayed at the time of turning ON the power
until the counter is cleared.
2 : When 2 is pressed, the screen is cleared and the counter value is cleared as well. From this time, counting
starts newly.
[Setting of the warning setting time]
■Infomation screen
1
1) Press switch 1 for approximately three seconds in the information screen.
72
From the library of: Superior Sewing Machine & Supply LLC
■Sewing management information selection screen
2
2) Press 2 to display the maintenance function screen. (For other functions, refer to the Engineer's Manual.)
■Maintenance function screen
3
4
5
34 and 5 : Warning time input screen is displayed.
3) Set the warning time with 2. Setting time inputted is shown in reverse video at 4.
■Warning time input screen
4
3
2
1
3 Clear screen is displayed.
After inputting the setting time, determine the time with 1.
Impor tant
Reference
In case of stopping the warning function, set the set value to “0”.
It is possible to individually set replacement of needle, cleaning, and replacement of oil
respectively. In case of stopping all, set “0” to each.
Initial value of warning setting time
1 Time of replacement of needle : 1,600 thousand stitches (kn)
2 Time of cleaning : 16 hours (h) (Current carrying time)
3 Time of replacement of oil : 120 hours (h) (Availability time)
From the library of: Superior Sewing Machine & Supply LLC
73
[Maintenance personnel level]
1
1) Turn ON the power. When the needle bar is not in the UP position, turn the handwheel to bring the needle
bar to its UP position.
2) Press switch 1 for approximately three seconds to display the information screen.
■Information screen (Maintenance personnel level)]
2 3 4 5 6 7
8
2 : Ver display For the details, refer to the Engineer’s Manual.
3 : Sewing common data
4 : Function setting Refer to 6- Function setting procedure.
5 : Sewing management information
6 : Communication mode
7 : Hook adjusting mode Refer to 8-5 Hook adjusting mode.
8 : Smart media format For the details, refer to the Engineer’s Manual.
(3) Communication mode
The matters below can be performed in the communication mode.
1) Vector form (VDT) data can be registered to non-registered No. of custom pattern from the sewing machine
data server utility (hereinafter called SU-1) or the smart media.
2) Custom pattern can be changed to the vector form and be uploaded to SU-1 or the smart media.
3) Parameter data (EPD) can be overwritten and registered to the condensation custom pattern from SU-1 or
the smart media.
4) Condensation custom pattern can be uploaded to SU-1 or the smart media.
* For setting of the communication with SU-1, refer to the Instruction Manual for SU-1.
■Communication setting screen
3
74
1
2
6
From the library of: Superior Sewing Machine & Supply LLC
Example of download
Example) Parameter file No. 70 of the smart media is downloaded to the condensation custom pattern at the
sewing end No. 10.
1) Open the smart media cover and insert the smart media (Optional Part No. : HX005750000) from the insertion
opening.
* Panel function does not work with the cover opened.
2) Selection of data
Press 1 in the communication setting screen to display the data selection screen. Data form which is
selected at present is shown in reverse video.
■Data selection screen
1 2
3
[Explanation of the pictograph]
: Parameter data
: Vector form data
Press 1 and determine with 3 after selecting the parameter.
3) Selection of communication method
Press 2 in the communication setting screen to display the communication method setting screen.
■Communication setting screen
Communication method
which is selected at present
is shown in reverse video.
1 2 3 4
5
[Explanation of the pictograph]
1
: Download from the smart media
2
: Download from SU-1
3
: Upload to the smart media
4
: Upload to SU-1
Press 1 to select download from the smart media. Then press 5 to determine.
From the library of: Superior Sewing Machine & Supply LLC
75
4) Selection of file No. of the smart media
Press 3 in the communication setting screen to display the file No. of smart media input screen.
■File No. input screen
2
3
1
2
Input the file No. of smart media with 2. The file No. which has been inputted is displayed in
determined with 1 after inputting the file No.
5) Custom pattern No. setting
. The No. is
Press 4 and 5 in the communication setting screen to set the custom pattern No.
■Communication setting screen 4
5
6
6) Start of download
When all setting procedures have been completed, press 6 in the communication setting screen to start
downloading.
■During communication screen
When the screen returns to the communication setting screen after display of the during communication
screen, communication is completed.
Example of upload
Example) Custom pattern No. 8 is uploaded as the vector form file No. 15 of the smart media.
1) Open the smart media cover and insert the smart media (Optional Part No. : HX005750000) from the
insertion opening.
* Panel function does not work with the cover opened.
2) Selection of data
Press 1 in the communication setting screen to display the data selection screen.
[Explanation of the pictograph]
EPD : Parameter data
VDT : Vector form data
Press 2 and determine with 3 after selecting the vector form data.
76
From the library of: Superior Sewing Machine & Supply LLC
3) Selection of communication method
Press 2 in the communication setting screen to display the communication method setting screen.
[Explanation of the pictograph]
1 : Download from the smart media
2 : Download from SU-1
3 : Upload to the smart media
4 : Upload to SU-1
Press 3 to select the upload to the smart media. Then press 5 to determine.
4) Setting of the custom pattern No.
Press 4 and 5 in the communication setting screen to set the custom pattern No.
5) Selection of the file No. of the smart media
Press 3 in the communication setting screen to display the file No. of the smart media input screen.
Input the file No. of the smart media. The inputted file No. is displayed in
. After inputting the file No.,
determine it with 1.
6) Start of the upload
When all setting procedures have been completed, press 6 in the communication setting screen to start
uploading.
When the screen returns to the communication setting screen after display of the during communication
screen, communication is completed.
■Communication setting screen
4
5
1
3
2
[How to delete the file of the smart media]
Press switch 3 after selecting the No. you desire to delete in the file No. of the smart media input screen, and
the screen moves to the deletion confirmation screen.
■Deletion confirmation screen
1
2
Press 1 and the deletion is discontinued. Then the screen returns to the file No. input screen. Press 2 and the
deletion is executed. Then the screen returns to the file No. input screen.
Cau tion
The deleted file is not restored. Be very careful when executing the deletion.
From the library of: Superior Sewing Machine & Supply LLC
77
6-16. Setting for functions
(1) How to change over to the function setting mode
Do not perform switch operations other than those described in the following explanations.
Cau tion Be sure to re-turn the power switch ON after one second or more has passed. If the power
is turned ON immediately after turning it OFF, the sewing machine may not work normally.
In this case, turn ON the power again.
WARNING :
To avoid possible personal injuries caused by movement other than that you desired, do not operate
the switches in the procedure other than those required, as described below, to specify the functions.
There are two kinds of function settings, Level 1 and Level 2.
Level 1 : Change of setting can be performed without turning OFF the power switch.
Level 2 : It is necessary to turn OFF the power switch after change of setting.
For the details of setting No., see p81.
[Setting procedure of Level 2]
1) Turn ON the power. When the needle bar is not in its UP position, turn the handwheel to bring the needle bar
to its UP position.
2) P r e s s s w i t c h 1 f o r
approximately three
seconds.
1
3) P r e s s s w i t c h 2 f o r
approximately three
seconds.
2
3
4) This screen is the function
setting screen.
Change the setting No. with
“+/–” Key of switch 3.
For the details of setting
No., see P 81.
3
Setting No. Set value
Example) Changing the
flicker reducing
function (Setting
No. 5)
Change the setting No. to “5”
with “+” Key of switch 3 in the
figure above.
・Press switch 4.
4
78
From the library of: Superior Sewing Machine & Supply LLC
5
・Change set value with “+/–”
Key of switch 5.
5
6
The set value has been
changed from “0” to “3”.
・When this changed value is
acceptable, press switch 7.
When you desire to return
the value to the previous
one, press switch 6.
7
・Turn OFF the power switch
and turn ON the power
switch after approximately
one second.
・Change of the set value is
determined by turning OFF
the power switch.
[Setting procedure of Level 1]
1) P r e s s s w i t c h 1 f o r
approximately three
seconds.
1
2) Press switch 2.
2
From the library of: Superior Sewing Machine & Supply LLC
79
3
3) This screen is the function
setting screen.
Change the setting No.
with “+/–” Key of switch 3.
For the details of setting
No., see page 81.
3
Setting No.
Set value
Example) Changing the
number of
rotation of
reverse feed
stitching
(Setting No. 8)
Change the setting No. to “8”
with “+” Key of switch 3 in the
figure above.
4
・Press switch 4.
5
・Change the set value with
“+/–” Key of switch 5.
5
6
・Set value has been changed
from 1350 to 1250.
・When this changed value is
acceptable, press switch 7.
Press switch 6 when you
desire to return the value to
the former one.
7
・Press switch 8 in case of
sewing.
8
80
From the library of: Superior Sewing Machine & Supply LLC
(2) Function setting list
No.
Item
Description
Setting
level
Setting range
Panel display
Standard set value
Ref.
Page
1
Soft start
function
The number of stitches to be sewn at a low speed when the softstart function is used at the start of sewing.
0 : Soft-start function is not operative
1
0 to 9
N-SOFT
3
85
5
Flicker
reducing
function
Flicker reducing function (If the hand lamp flickers.)
0 : Flicker reducing function is not operative
1 : Less effective ıî 8 : Highly effective
2
0 to 8
T-ACC
0
85
*
7
Unit of bobbin
thread
counting
down
Unit of bobbin thread counting down
0 : Count/10 stitches
1 : Count/15 stitches
2 : Count/20 stitches
1
0/1/2
RATIO
0
*
8
Number of
rotation of
reverse feed
stitching
Sewing speed of reverse feed stitching
1
150 to 3000
S-BT
1350
10 Setting of
needle bar stop
position when
the sewing
machine stops.
Position of needle bar is specified when the sewing machine stops.
0 : Predetermined lowest position
1 : Predetermined highest position
2
1/0
NPS
0
85
11 Click sound
of panel
switch
Click sound of panel switch is specified.
0 : Without click
1 : With click
2
1/0
SOUND
1
85
12 Optional
switch
function
selection
Switching of functions of optional switch
0 : No function
1 : Needle up/down compensating stitching
2 : No function
3 : No function
4 : Thread trimming function
5 : Presser foot lifting function
6 : One stitch compensating stitching
7 : No function
8 : Pedal neutral presser lifting function selection
Do not set to 2, 3 and 7. If these numbers are set, trouble or
accident will be caused.
2
0 to 8
SW2
0
86
Function of prohibiting start of the sewing machine by bobbin
thread counter (After thread trimming)
0 : When counting is out (-1 or less), function of prohibiting
start of the sewing is not operative.
1 : When counting is out (-1 or less), function of prohibiting
start of the sewing machine is operative.
2 : Function of “1” + counter (-1 or less) stop (temporary stop)
2
0/1/2
ASCNT
0
18 Bird's nest
prevention
function
Effective in combination with machine head with bird's nest
prevention function
0 : Without bird's nest prevention function
1 : With bird's nest prevention function
2 : With bird’s nest prevention function with needle thread release after clamp function
2
0/1/2
BNC
0
19 Needle
thread
release at
sewing start
function
Effective in combination with machine head with bird's nest
prevention function
0 : Without needle thread release function
1 : With needle thread release function
2
1/0
THOLD
0
21 Function of
neutral
presser lifting
Function of lifting presser foot when the pedal is in neutral position.
0 : Function of neutral automatic presser lifting is not operative.
1 : Selection of function of neutral presser lifting.
2
1/0
N-NPL
0
86
22 Function of
changeover of
compensating
switch on the
operation panel
function
Function of needle up/down compensating switch on the
operation panel can be changed.
0 : Needle up/down compensation
1 : One stitch compensation
2
1/0
F-CMSP
0
86
23 Presser lifting
function
selection
Presser lifting function selection
0 : Ineffective
1 : Effective
2
1/0
F-AFL
0
Number of rotation can be compensated.
Be sure to normally use this function with "0".
2
±15
F-FAS
0
Effective in combination with machine head with bird's nest
prevention function
Number of stitches from start of sewing to release of needle thread
can be set.
1
0 to 30
F-UTHR
1
* 13 Function of
prohibiting
start of the
sewing
machine by
bobbin thread
counter
* 24 Function of fine
adjustment of
number of
rotation
28 Number of
stitches of bird's
nest needle
thread release
* Do not change the set values with asterisk (*) mark as they are functions for maintenance. If the standard set value set at the time of
delivery is changed, it is in danger of causing the machine to be broken or the performance to be deteriorated.
If it is necessary to change the set value, please purchase the Engineer's Manual and follow the instructions. (Descriptions of setting in
this list are the standard values at the time of delivery of LZ-2290A.)
However, contents of function setting are subject to change for improvement of function and performance without notice.
From the library of: Superior Sewing Machine & Supply LLC
81
No.
Item
Description
Setting
level
Setting range
Panel display
Standard set value
Ref.
Page
30 Function of
reverse feed
stitching on
the way
Function of reverse feed stitching on the way
0 : Function of reverse stitching on the way is not operative.
1 : Function of reverse feed stitching on the way is operative.
2
1/0
OBT
0
87
31 Number of
stitches of
reverse feed
stitching on
the way
Number of stitches of reverse feed stitching on the way.
2
0 to 19
N-OBT
4
87
Effective condition of reverse feed stitching on the way
32 Effective
condition of
0 : Function is not operative when the sewing machine stops.
reverse feed
1 : Function is operative when the sewing machine stops.
stitching on the
way when the
sewing machine
is stopping.
2
1/0
OBTS
0
87
trimming Thread trimming function by reverse feed stitching on the way
* 33 Thread
function by
0 : Automatic thread trimming function after completion of
2
1/0
OBTT
0
87
of
* 35 Number
rotation at a
Lowest speed by pedal
1
20 to 400
S-POS
200
36 Number of
rotation of
thread
trimming
Thread trimming speed
2
20 to 250
S-TRM
180
37 Number of
rotation of
soft-start
Sewing speed at the start of sewing (soft-start)
1
150 to 5500
S-SOFT
1200
38 One-shot
speed
Setting of number of revolution at the time of one-shot automatic
sewing
1
200 to 5500
S-ASS
2000
* 39 Pedal stroke
Position where the sewing machine starts rotating from pedal
neutral position (Pedal stroke)
2
10 to 50
P-SSP
30
speed
* 40 Low
section of
Position where the sewing machine starts accelerating from
pedal neutral position (Pedal stroke)
2
10 to 100
P-LSA
60
* 41 Starting
position of
Position where the cloth presser starts lifting from pedal neutral
position (Pedal stroke)
2
-60 to -10
P-FLW
-21
* 42 Starting
position of
Starting position of lowering presser foot
Stroke from the neutral position
2
8 to 50
P-FLD
10
* 43 Pedal stroke 2 Position 2 where the thread trimming starts from pedal neutral
2
-60 to -110
P-TRM2
-51
* 44 Pedal stroke
2
10 to 150
P-MAX
150
2
-15 to 15
P-ANP
0
Auto-lifter selection
0 : Solenoid drive system
1 : Pneumatic drive system
2
1/0
FLSEL
0
Limitation time of waiting for lifting solenoid type auto-lifter device
2
10 to 600
T-FL
60
* 48 Pedal stroke 1 Position where thread trimming starts from pedal neutral position
2
-60 to -10
P-TRM1
-51
time of presser foot after the pedal has been depressed.
* 49 Lowering time Lowering
(Start of rotation of the sewing machine is delayed during this time.)
2
0 to 250
T-FLWT
140
reverse feed
stitching on the
way
reverse feed stitching on the way is not operative.
1 : Automatic thread trimming after completion of reverse feed
stitching on the way is performed.
low speed
at the start of
rotation
pedal
lifting presser
foot by pedal
lowering
presser foot
position (When the function of lifting presser foot by pedal is
provided.) (Pedal stroke)
for starting
thread
trimming
for reaching
the maximum
number of
rotation
Position where the sewing machin reaches its highest sewing
speed from pedal neutral position (Pedal stroke)
* 45 Compensation Compensation value of the pedal sensor
of neutral
point of the
pedal
* 46 Auto-lifter
selecting
function
* 47 Holding time
of lifting autolifter
(Standard pedal) (Pedal stroke)
for starting
thread
trimming
of presser foot
88
88
89
* Do not change the set values with asterisk (*) mark as they are functions for maintenance. If the standard set value set at the time of
delivery is changed, it is in danger of causing the machine to be broken or the performance to be deteriorated.
If it is necessary to change the set value, please purchase the Engineer's Manual and follow the instructions. (Descriptions of setting in
this list are the standard values at the time of delivery of LZ-2290A.)
However, contents of function setting are subject to change for improvement of function and performance without notice.
82
From the library of: Superior Sewing Machine & Supply LLC
No.
Item
Description
Setting
level
Setting range
Panel display
Standard set value
Ref.
Page
* 51 Compensation Compensation of starting the solenoid for reverse feed stitching
1
-36 to 36
T-SON
0
88
* 52 Compensation Compensation of releasing the solenoid for reverse feed stitching
1
-36 to 36
T-SOFF
0
88
* 53 Compensation Compensation of releasing the solenoid for reverse feed stitching
1
-36 to 36
T-EOFF
0
88
Function of lifting presser foot at the time of (after) thread
trimming
0 : Not provided with the function of lifting presser foot after
thread trimming
1 : Provided with the function of lifting presser foot
automatically after thread trimming
2
1/0
FLAT
1
89
Function of reverse revolution to lift the needle at the time of
56 Reverse
revolution to lift (after) thread trimming
the needle
0 : Not provided with the function of reverse revolution to lift
after thread
the needle after thread trimming
trimming
1 : Provided with the function of reverse revolution to lift the
needle after thread trimming
2
1/0
RATRM
0
89
Function of holding predetermined upper/lower position of the
58 Function of
holding
needle bar
predetermined
0 : Not provided with the function of holding predetermined
upper/lower
upper/lower position of the needle bar
position of the
1 : Provided with the function of holding predetermined upper/
needle bar
lower position of the needle bar
2
1/0
HPOS
0
89
This function can specify the sewing speed of reverse feed
59 Function of
Auto/Manual
stitching at the start of sewing.
change-over of
0 : The speed will depend on the manual operation by pedal,
reverse feed
etc.
stitching at the
1 : The speed will depend on the specified reverse feed
start of sewing
stitching speed (No. 8).
2
1/0
SBTO
1
89
60 Function of
stop
immediately
after reverse
feed stitching
at the start of
sewing
Function at the time of completion of reverse feed stitching at the
start of sewing
0 : Not provided with the function of temporary stop of the
sewing machine at the time of completion of reverse feed
stitching at the start of sewing
1 : Provided with the function of temporary stop of the sewing
machine at the time of completion of reverse feed stitching
at the start of sewing.
2
1/0
SBTQ
0
89
Initial speed when starting EBT
2
0 to 250
S-WAIT
170
Presser foot is slowly lowered.
0 : Presser foot is rapidly lowered.
1 : Presser foot is slowly lowered.
2
0/1
F-SDFL
0
89
Speed limitation is performed at the time of re-acceleration on the
71 Function of
limitation of re- way of reducing speed of the sewing machine.
acceleration
It is effective when operating inching sewing.
from reduction
of speed
2
0 to 5
F-ACRA
0
90
Speed limitation is performed at the time of start-up of the sewing
72 Function of
limitation of
machine (excluding the start of sewing).
acceleration at the It is effective when operating inching sewing.
start of rotation
1
0 to 5
F-ACR
1
90
73 Retry function
1
1/0
F-RET
1
90
2
1/0
F-SCS
0
90
of solenoid-on when reverse feed stitching at the start of sewing is performed.
timing of
reverse feed
stitching at the
start of sewing
of solenoid-off when reverse feed stitching at the start of sewing is performed.
timing of
reverse feed
stitching at the
start of sewing
of solenoid-off when reverse feed stitching at the end of sewing is performed.
timing of
reverse feed
stitching at the
end of sewing
55 Foot lift after
thread
trimming
* 64 Change-over
speed of
condensation
stitch or EBT
(end back tack)
70 Function of
soft-down of
presser foot
This function is used when needle cannot pierce materials .
0 : Normal
1 : Retry function is provided.
Starting curve of the sewing machine is selected.
76 Function to
select the start0 : Normal curve
up speed of the
1 : More sharp curve
sewing machine
* Do not change the set values with asterisk (*) mark as they are functions for maintenance. If the standard set value set at the time of
delivery is changed, it is in danger of causing the machine to be broken or the performance to be deteriorated.
If it is necessary to change the set value, please purchase the Engineer's Manual and follow the instructions. (Descriptions of setting in
this list are the standard values at the time of delivery of LZ-2290A.)
However, contents of function setting are subject to change for improvement of function and performance without notice.
From the library of: Superior Sewing Machine & Supply LLC
83
No.
Item
Setting
level
Description
87 Function of
pedal curve
selection
Pedal curve is selected. (Improving pedal inching operation)
Setting range
Panel display
Standard set value
Ref.
Page
2
0/1/2
F-PCS
0
Return of feed function
0 : Without function
1 : With function
2
1/0
TRS
1
Function of compensating stitching when turning handwheel by
hand at the time of completion of constant-dimension stitching
0 : Function of compensating stitching is effective.
1 : Function of compensating stitching is prohibited.
2
1/0
F-PMAT
1
92 Function of
reducing
speed of
reverse feed
stitching at the
start of sewing
Function to reduce speed at the time of reverse feed stitching at
the start of sewing.
0 : Speed is not reduced.
1 : Speed is reduced.
2
1/0
F-DSBT
0
90
93 Function
added to
needle up/
down
compensating
switch
Operation of needle up/down compensating switch is changed
after turning ON the power or thread trimming.
0 : Normal (needle up/down compensating stitching only)
1 : One stitch compensating stitching is performed only when
aforementioned changeover is made. (Upper stop ıî upper
stop)
2
1/0
F-MADF
0
91
96 Max. number
of rotation
setting
Max. number of rotation of the sewing machine head can be set.
* Setting varies in accordance with resistance pack to be connected.
2
50 to MAX
S-MAX
4000
91
100 Thread
release at
sewing start
function
Thread release at sewing start function
Setting of number of stitches to actuate thread release function at
the start of sewing
2
0 to 9
F-THLS
0
101 Counter
function
selection
Counter function selection
Whether counter operates every thread trimming or manually is
selected.
0 : Every thread trimming
1 : By manual SW
2
1/0
F-MAC
0
103 Pedal sensor
neutral
compensation
function
Pedal sensor neutral compensation function
0 : Pedal sensor neutral compensation function is ineffective.
1 : Pedal sensor neutral compensation function is effective.
2
1/0
F-ANP
0
2
90
Number of rotations
0
1
Pedal stroke
89 Return of
needle thread
feed
* 91
Function of
prohibiting
compensation
operation after
turning
handwheel by
hand
* Do not change the set values with asterisk (*) mark as they are functions for maintenance. If the standard set value set at the time of
delivery is changed, it is in danger of causing the machine to be broken or the performance to be deteriorated.
If it is necessary to change the set value, please purchase the Engineer's Manual and follow the instructions. (Descriptions of setting in
this list are the standard values at the time of delivery of LZ-2290A.)
However, contents of function setting are subject to change for improvement of function and performance without notice.
84
From the library of: Superior Sewing Machine & Supply LLC
(3) Detailed explanation of selection of functions
1 Selection of the soft-start function (Function setting No.1 N-SOFT)
The needle thread may fail to interlace with the bobbin thread at the start of sewing when the stitching pitch
(stitch length) is small or a thick needle is used. To solve such problem, this function (called “soft-start”) is
used to limit the sewing speed, thereby assuring successful formation of the starting stitches.
0:
The function is not selected.
1 to 9 : The number of stitches to be sewn under the soft-start mode.
The sewing speed limited by the soft-start function can be changed. (Function setting No.37 S-SOFT)
Data setting range
150 to 5,500 rpm <50 rpm>
2 Flicker reducing function (Function setting No.5 T-ACC)
The function reduces flickering of the hand lamp at the start of sewing. The higher the set value increases,
the more effective the function will work.
Setting range
0 to 8
0 : Flicker reducing function does not work.
to
8 : Flickering is effectively reduced.
Reference
The more effective the flicker reducing function works (the more the set value is made),
the lower the start-up speed of the sewing machine will become.
3 Setting of the needle bar stop position when the sewing machine stops (Function setting No.10 NPS)
The position of the needle bar when the pedal is in its neutral position is specified.
0 : Down
The needle bar stops in the lowest position of its stroke.
1 : Up
The needle bar stops in the highest position of its stroke.
Reference
If the stop position of the needle bar is set to the highest position, the thread trimming
action will be taken after the needle bar comes down once to the lowest position.
4 Sound of click of the key switch mounted on the PSC box (Function setting No.11 SOUND)
This function selects whether the sound is effective or ineffective when operating the four key switches
mounted on the PSC box.
0 : off
The sound of click is ineffective.
1 : on
The sound of click is effective.
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85
5 Optional switch function selection (Function setting No.12 SW 2) : It is used only when it is combined
with the machine head provided with the optional switch.(Optional SW kit Part No. : 40003640)
A. In case of the machine with the auxiliary
thread take-up lever
B. In case of the machine without the auxiliary
thread take-up lever
Optional SW
Optional SW
Functions to be assigned to the optional switch can be selected from the following functions.
0 : No function (Standard setting)
1 : Needle up / down compensating stitching : Every time the switch is pressed, normal feed
stitching by half stitch is performed. (Same operation as that of up/down compensating stitching
switch on the panel.)
2 : No function
3 : No function
4 : Thread trimming function : This function is actuated as the thread trimming switch.
5 : Presser foot lifting function : This function is actuated as the foot lifter switch.
6 : One stitch compensating stitch : Every time the switch is pressed, one stitch stitching operation
is executed.
7 : No function
8 : Pedal neutral presser lifting function selection
Do not set to 2, 3, and 7. If these numbers are set, trouble or accident will be caused.
6 Neutral automatic presser lifting function (with AK device only) (Function setting No.21 N-NPL)
This function can automatically lift the presser foot when the pedal is in the neutral position.
Automatic lifting time of the pedal depends on the automatic lifting time after thread trimming and when the
presser foot is automatically lowered, it is automatically lifted at the second neutral position after it has come
off the neutral position once.
0 : off
Function of neutral automatic presser lifting is not operative.
1 : on
Selection of function of neutral automatic presser lifting
7 Function of changeover of needle up/down compensating switch on the operation panel function
(Function setting No. 22 F-CMSP)
Function of needle up/down compensating switch on the panel of IP-100 can be changed over to needle up/
down compensating stitching or one stitch compensating stitching.
0 : Needle up/down compensating stitching
1 : One stitch compensating stitching
86
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9 Function of reverse feed stitching on the way (Function setting Nos. 30 to 33 OBT, OBTS, OBTT)
Functions of the limit of number of stitches and thread trimming command can be added to the touch back
switch on the sewing machine head.
Function setting No. 30
Function of reverse feed stitching on the way is selected.
0 : off
Normal back-tack function
1 : on
Function of reverse feed stitching on the way
Function setting No. 31
Number of stitches performing reverse feed stitching on the way is set.
0 to 19 stitches <1 / stitch>
Function setting No. 32
Effective condition of reverse feed stitching on the way
0 : off
Inoperative when the sewing machine stops.
(Reverse feed stitching on the way functions only when the sewing machine is running.)
1 : on
Operative when the sewing machine stops.
(Reverse feed stitching on the way functions both when the sewing machine is running
and stops.)
Either condition is operative when the sewing machine is running.
Reference
Function setting No. 33
Thread trimming is performed when reverse feed stitching on the way is
completed.
0 : off
Without thread trimming
1 : on
Thread trimming is executed.
Actions under each setting state
Application
1
Function setting
No.30
No.32
No.33
0
0 or 1
0 or 1
1
0
0
When operating touch-back switch at the time of depressing front part of
the pedal, reverse feed stitching as many as the number of stitches
specified by the function setting No. 31 can be performed.
1
1
0
When operating touch-back switch at the time of either stop of the sewing
machine or depressing front part of the pedal, reverse feed stitching as
many as the number of stitches specified by the function setting No. 31
can be performed.
1
0
1
When operating touch-back switch at the time of depressing front part of
the pedal, automatic thread trimming is performed after reverse feed
stitching as many as the number of stitches specified by the function setting
No. 31 has been performed.
1
1
1
When operating touch-back switch at the time of either stop of the sewing
machine or depressing front part of the pedal, automatic thread trimming
is performed after reverse feed stitching as many as the number of stitches
specified by the function setting No. 31 has been performed.
2
3
4
5
Output function
It works as normal touch-back switch.
1 Used as the normal reverse feed stitching touch-back switch.
2 Used for reinforcing seam (lapped seam) during sewing. (It works only when the sewing machine is running.)
3 Used for reinforcing seam (lapped seam) during sewing. (It works either when the sewing machine stops
or when the sewing machine is running.)
4 Used as starting switch for reverse feed stitching at the sewing end. (Used as the substitute for thread
trimming by depressing back part of the pedal. It works only when the sewing machine is running. It is
especially effective when the sewing machine is used as the standing-work machine.)
5 Used as starting switch for reverse feed stitching at the sewing end. (Used as the substitute for thread
trimming by depressing back part of the pedal. It works either when the sewing machine stops or when
the sewing machine is running. It is especially effective when the sewing machine is used as the standingwork machine.)
Cau tion *It is not possible with types other than WB, CB and 0B types.
Touch-back kit (separately sold, Part No. 40010795) is necessary.
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87
9 Holding time of lifting presser foot (Function setting No.47 T-FL)
Solenoid type presser foot lifter (No. 46 0) can adjust the holding time control of lifting presser foot.
This function automatically lowers the presser foot when the time set with the setting No. 47 has passed
after lifting the presser foot.
When the pneumatic type presser foot lifter (No. 46 1) is selected, the holding time control of lifting presser
foot is limitless regradless of the set value.
Setting range
10 to 600 sec <10 / sec>
!0 Compensation of timing of the solenoid for reverse feed stitching (Function setting Nos.51 to 53 TSON, T-SOFF, T-EOFF)
When the normal and reverse feed stitches are not uniform under the automatic reverse feed stitching
action, this function can change the ON/OFF timing of the solenoid for back tack and compensate the
timing.
1 Compensation of on-timing of solenoid for reverse feed stitching at the start of sewing (Function setting
No. 51)
On-timing of solenoid for reverse feed stitching at the start of sewing can be compensated in the increments
of 10˚.
Adjusting range
– 36 to 36 <1/10˚>
Set value
– 36
Compensation angle
– 360˚
Number of sitches of compensation
–1
– 18
– 180˚
– 0.5
0
0˚
0
18
180˚
0.5
36
360˚
1
When the point
before 1 stitch is
regarded as 0˚,
compensation is
possible by 360˚ (1
stitch) in front and in
the rear.
–360˚
–180˚
0˚
180˚
360˚
2 Compensation of off-timing of solenoid for reverse feed stitching at the start of sewing (Function setting
No. 52)
Off-timing of solenoid for reverse feed stitching at the start of sewing can be compensated in the increments
of 10˚.
Adjusting range
– 36 to 36 <1/10˚>
–360˚
Set value
– 36
Compensation angle
– 360˚
Number of sitches of compensation
–1
–180˚
– 18
– 180˚
– 0.5
360˚
0
0˚
0
18
180˚
0.5
36
360˚
1
0˚
180˚
3 Compensation of off-timing of solenoid for reverse feed stitching at the end of sewing (Function setting
No. 53)
Off-timing of solenoid for reverse feed stitching at the end of sewing can be compensated in the increments
of 10˚.
Adjusting range
– 36 to 36 <1/10˚>
Set value
– 36
Compensation angle
– 360˚
Number of sitches of compensation
–1
– 18
– 180˚
– 0.5
0
0˚
0
18
180˚
0.5
36
360˚
1
88
–360˚
–180˚
0˚
180˚
360˚
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!1 Foot lift function after thread trimming (Function setting No.55 FLAT)
This function can automatically lift the presser foot after thread trimming. This function is effective only
when it is used in combination with the AK device.
0 : off
Function of automatically lifting the presser foot is not provided.
(Presser foot does not automatically go up after thread trimming.)
1 : on
Function of automatically lifting the presser foot is provided.
(Presser foot automatically goes up after thread trimming.
!2 Reverse revolution to lift the needle after thread trimming (Function setting No.56 RATRM)
This function is used to make the sewing machine rotate in the reverse direction after thread trimming to lift
the needle bar almost to highest position. Use this function when the needle appears under the presser foot
and it is likely to make scratches on the sewing products of heavy-weight material or the like.
0 : off
Function of making the sewing machine rotate in the reverse direction to lift the needle
after thread trimming is not provided.
1 : on
Function of making the sewing machine rotate in the reverse direction to lift the needle
after thread trimming is provided.
Cau tion The needle bar is raised, by rotating the machine in the reverse direction, almost to the
highest dead point. This may result in slip-off of the needle thread. It is therefore necessary
to adjust the length of thread remaining after thread trimming properly.
Reference
When the function of reverse revolution to lift the needle after thread trimming is set, the
needle bar is out of the UP position after thread trimming. It is necessary to turn the
handwheel by hand when turning ON the power next time. It is not possible to enter the
edit screen at the time of reverse revolution to lift the needle after thread trimming. It is
necessary to adjust the position to UP position by turning the handwheel by hand before
entering the edit screen.
!3 Function of holding predetermined upper / lower position of the needle bar (Function setting No.58
HPOS)
When the needle bar is in the upper position or in the lower position, this function holds the needle bar by
applying a brake slightly.
0 : off
Function of holding predetermined upper/lower position of the needle bar is ineffective.
1 : on
Function of holding predetermined upper/lower position of the needle bar is effective.
!4 Change-over function of AUTO/Pedal for sewing speed of the reverse feed stitching at the start of
sewing (Function setting No.59 SBTO)
This function selects whether the reverse feed stitching at the start of sewing is performed without a break at
the speed set by the function setting No. 8 or the stitching is performed at the speed by the pedal operation.
0 : Manu The speed is indicated by the pedal operation.
1 : Auto Automatic stitching at the specified speed
Cau tion
1. The max. sewing speed of the reverse feed stitching at the start of sewing is limited to
the speed set by the function setting No. 8 regardless of the pedal.
2. When “0” is selected, stitches of reverse feed stitching may not match those of normal
feed stitching.
!5 Function of stop immediately after the reverse feed stitching at the start of sewing (Function setting No.60
SBTQ)
This function temporarily stops the sewing machine even when keeping depressing the front part of the
pedal at the time of completion of process of reverse feed stitching at the start of sewing.
It is used when sewing a short length by reverse feed stitching at the start of sewing.
0 : Not provided with the function of temporary stop of the
sewing machine immediately after the reverse feed
Stop the sewing machine
stitching at the start of sewing
temporarily to change
1 : Provided with the function of temporary stop of the
direction of sewing
sewing machine immediately after the reverse feed
products.
stitching at the start of sewing
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89
!6 Function of soft-down of presser foot (with AK device only) (Function setting Nos.70 and 49 F-SDFL,
T-FLWT)
This function can softly lower the presser foot.
This function can be used when it is necessary to decrease contact noise, cloth defect, or slippage of cloth
at the time of lowering the presser foot.
Cau tion Change the time of function setting No. 49 together at the time of selecting the function of
soft-down since the sufficient effect cannot be obtained unless the time of function setting
No. 49 is set longer when lowering the presser foot by depressing the pedal.
0 to 250 ms
10 ms/Step
0 : Function of soft-down of presser foot is not operative. (Presserfoot is rapidly lowered.)
1 : Selection of function of soft-down of presser foot
!7 Function of improving inching operation (Function setting Nos.71 and 72 F-ACRA, F-ACR)
This function improves operability of one-stitch sewing by operating the high-speed switch for the pedal or
sewing machine for standing work.
The more the set value becomes, the more the speed limitation at the start of rotation is remarkably added
and operability of one-stitch sewing is improved.∞
Function setting No. 71 limits the speed at the time of re-acceleration on the way of reducing speed.
Function setting No. 72 limits acceleration from the stop state.
Cau tion
This function fails to work when turning ON the power or starting sewing immediately
after thread trimming.
0 to 5
1/Step
0
Function setting
No. 72
0
Function setting
No. 71
5
5
rpm
0 to 5
1/Step
t
Pedal neutral
Depressing pedal
!8 Function of reducing speed of reverse feed stitching at the start of sewing (Function setting No.92 FDSBT)
Function to reduce speed at the time of reverse feed stitching at the start of sewing. : Normal use depending
on the pedal condition (Speed is acceralated to the highest without a break.)
This function is used when temporary stop is used properly. (Cuff and cuff attaching)
0 : Speed is not reduced.
Sew without stopping
1 : Speed is reduced.
without a break.
Temporary stop
!9 Retry function (Function setting No.73 F-RET)
When the retry function is used, if the sewing material is thick and not piereced with needle, this function
makes the needle pierce in the material with ease.
0 : Normal
1 : Retry function is provided.
@0 Function to select the start-up speed of the sewing machine (Function setting No.76 F-SCS)
This function is selected in the case where the speed of the sewing machine is desired to be more at the
time of start-up. (Time required to start is shortened by approximately 10%.)
0 : Normal curve
1 : More sharp curve
Cau tion
90
If “1” is set, motor may move irregularly. In addition, noise may occur when the sewing
machine is running or noise may increase when the sewing machine is running.
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Number of rotation (rpm)
@1 Function of pedal curve selection (Function setting No.87 F-PCS)
This function can perform the selection of the curve of number of rotation of the sewing machine against the
depressing amount of the pedal.
Change to this function when you feel that inching operation is hard or that pedal response is slow.
0 : Number of rotation of the sewing machine in terms of
2
the depressing amount of the pedal increases linearly.
1 : Reaction to intermediate speed in terms of the
depressing amount of the pedal is delayed.
0
2 : Reaction to intermediate speed in terms of the
depressing amount of the pedal is advanced.
1
Pedal stroke (mm)
@2 Function added to the needle up / down compensating switch (Function setting No.93 F-MADF)
One stitch operation can be performed only when the needle up / down compensating switch is pressed at
the time of upper stop immediately after turning ON the power switch or upper stop immediately after thread
trimming.
0 : Normal (Only needle up / down compensating stitching operation)
1 : One stitch compensating stitching operation (upper stop ıî upper stop) is performed only when
aforementioned changeover is made.
@3 Setting of max. number of rotation of the sewing machine head (Function setting No.96 S-MAX)
This function can set the max. number of rotation of the sewing machine head you desire to use.
Upper limit of the set value varies in accordance with the sewing machine head to be connected.
50 to Max. [rpm]
6-17. External interface
External interface means the section to connect the control panel and the system which is different from the
control panel.
For the use and details of function, please ask our business office.
(1) Smart media slot
Smart media slot is installed in the face cover located on the left side of control panel.
(2) RS-232C port
RS-232C connector is installed in the rubber cap located on the back side of control panel
(3) General input port (Production control switch connecting connector)
General input connector, CN105 is installed in the cord outlet cover located on the back side of control
panel.
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91
7. SEWING
7-1. Adjusting the thread tension
WARNING :
In case of thread-breakage. It may occur that the thread tangles on the thread take-up lever. In this
case, remove the thread tangling around the thread take-up lever by raising the thread take-up cover.
At this time, be careful not to cut your fingers with the knife.
(1) Adjusting the needle thread tension
4
2
1) Adjust the needle thread tension using the tension nut 1 .
Turning the tension nut clockwise increases the needle thread
tension, or counterclockwise decreases it.
3
5
F
Cau tion
1
1. If the thread tension of pre-tension 2 is too low, the
thread may slip out of rotary disc 3. Adjust the
thread tension of the pre-tension, using pre-tension
adjusting nut 4 taking care of tension balance
between the pre-tension and the rotary disc.
2. When setting the needle thread tension, draw the
thread in the direction F to check that rotary disc 3
smoothly rotates with no slippage.
When the rotary disc slips, tighten pre-tension
adjusting nut 4.
3. Thread tension disc felt 5 is a consumable part.
When rotary disc 3 slips, there is a possibility that
the thread tension disc felt has been consumed.
Replace the felt with new one (Part No. : 22528509
x 4 pcs.).
(2) Adjusting the thread take-up spring
2
1) To change the tension of the thread take-up spring, firmly tighten
the screw 1 which fastens the tension post socket to the machine
arm and insert the blade of a screwdriver into the slot in the tension
post 2 to adjust the tension of the thread take-up spring.
Turn it clockwise to increase.
Turn it counterclockwise to decrease.
2) To change the amount of thread taken by the thread take-up spring,
loosen the clamping screw 1 of the tension post socket and turn
the tension post socket 3 .
Adjustable range of the amount of thread taken by the thread
take-up spring : 6 to 10 mm
3
1
1
(3) Adjusting the bobbin thread tension
Increase
1) The tension of the bobbin thread is adjusted by
turning the tension adjusting screw 1 .
Turn it clockwise to increase.
Turn it counterclockwise to decrease.
Decrease
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From the library of: Superior Sewing Machine & Supply LLC
7-2. Adjusting the pressure of the presser foot
WARNING :
To protect against possible personal injury due to abrupt start of the machine, be sure to start the
following work after turning the power off and ascertaining that the motor is at rest.
1) Turn the presser spring regulator 1 clockwise A
to increase the pressure given by the presser foot.
2) Turn the presser spring regulator counterclockwise
B to decrease it.
A
B
1
7-3. One-touch type reverse feed stitching mechanism
(1) How to use the reverse feed switch lever
1) Press reverse feed switch 1, and the sewing
machine will immediately run in the reverse direction
to perform the reverse feed stitching.
2) Reverse stitching is performed as long as you keep
the lever held pressed down.
3) Release the switch lever, and the machine will
immediately run in the normal direction.
4) Reverse feed switch 1 can be used in two positions
by turning it.
1
Cau tion
For the types other than WB, CB and
0B, touch-back kit (separately sold ,
Part No. 40010795) is necessary.
(2) Height of the switch
WARNING :
To protect against possible personal injury due to abrupt start of the machine, be sure to start the
following work after turning the power off and ascertaining that the motor is at rest.
A. In case of the machine with the auxiliary thread take-up lever
1) Loosen setscrew 1 and adjust up or down mirror
switch 2.
2) Loosen setscrew 3 and move up or down reverse
feed switch 4 to adjust the height.
1
3
2
4
* The position of reverse feed switch 4 and mirror
switch 2 can be reversed.
6
2
1
5
4
2
3
1
3) Loosen setscrew 1 and remove mirror SW 2.
4) Slightly loosen setscrew 3, move upward reverse feed switch 4 and guide 5, and fix the switch with
guide 5 and setscrew 3.
From the library of: Superior Sewing Machine & Supply LLC
93
5) Put mirror SW 2 in installing base 6 and fix it with setscrew 1.
(Put mirror SW 2 in installing base 6 so that the installing base 8 is inserted in the mirror SW 2.)
(Note) Freely adjust the height of the respective switches.
B. In case of the machine with the auxiliary thread take-up lever
When reverse feed switch 4 is low according to the process, adjust the height.
1)
2)
3)
8
8
3
3
4
4
7
5
4
1) Loosen two setscrews 7 and remove reverse feed switch 4.
2) Loosen setscrew 3 and remove reverse feed switch 4 from installing base 8.
3) Slide reverse feed switch 4 from installing base 8 to remove it.
(Move the click of the reverse feed switch from the groove of the installing base. Guide 5 is used when
installing the switch.)
4)
5 , 6)
7)
6
6
1
2
1
4
2
4) Slightly loosen setscrew 3, move upward reverse feed switch 4 and guide 5, and fix the switch with
guide 5 and setscrew 3.
5) Put the click of reverse feed switch 4 in the groove of installing base 6.
6) Fix reverse feed switch 4 with guide 5 and setscrew 3.
7) Put mirror SW 2 in installing base 6 and fix it with setscrew 1.
(Put mirror SW 2 in installing base 6 so that the installing base 8 is inserted in the mirror SW 2.)
* The position of reverse feed switch 4 and mirror
switch 2 can be reversed.
When changing the position of the switch in case of
“A. In case of the machine with the auxiliary thread
take-up lever”, refer to the items 3) through 5).
(Note) Freely adjust the height of the respective
switches.
6
2
5
1
4
94
From the library of: Superior Sewing Machine & Supply LLC
7-4.Hand switch
1) Reverse feed switch 1
Press reverse feed switch 1 and reverse feed is
performed.
When it is released, normal feed is performed.
* Reverse feed switch is not installed on the types
other than WB, CB, and 0B types.
(Touch-back device (separately sold), Part No.
40010795 is necessary.)
2
1
2) Mirror switch 2
When scallop, custom pattern or continuous
stitching is selected, the switch becomes a mirror
switch.
Mirror inversion means the function that the reverse pattern sewing is performed after pressing the mirror
inversion switch during temporary stop of sewing.
(For the details, refer to the mirror function setting, p.69.4)
For the adjustment of the height, see p.93.
■ Sewing procedure (Scallop)
1) Stop the sewing machine at the position you desire to perform mirror inversion during sewing.
2) Press the mirror inversion switch. When the mirror inversion switch is received, LED lights up. (The
switch can receive only when the sewing machine stops and dose not receive when the sewing machine
is running.)
3) Perform mirror inversion sewing with the sewing machine.
4) Perform thread trimming or press again the mirror inversion switch to complete the inversion sewing.
Afterwards inversion
operation
Sewing direction
Scallop 1
pattern
Mirror inversion operation
LED lights up.
Pattern during
sewing
Stop the sewing machine
and press mirror
inversion switch.
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95
8. STANDARD ADJUSTMENT
8-1. Adjusting the amount of oil in the hook (LZ-2290A-SS • A-SU (-7) )
WARNING :
Turn OFF the power before starting the work so as to prevent accidents caused by abrupt start of the
sewing machine.
Adjustment of the amount of oil in the hook is performed
with oil amount adjustment screw 1.
(1) Adjustment procedure
Tighten (turn clockwise) oil amount adjustment
screw 1 to increase the amount of oil in the hook,
or loosen (turn counterclockwise) to decrease it.
Decrease
1. When adjusting the amount of oil in the
hook, perform the adjustment in a way
of reducing the oil amount after
somewhat increasing it.
2. The amount of oil in the hook has been
adjusted at the max. number of revolution
Cau tion
at the time of delivery. When you always
use the sewing machine at low speed, there
is a possibility that trouble occurs due to
the lack of amount of oil in the hook. When
the sewing machine is used always at low
speed, perform the adjustment of the
amount of oil in the hook.
3. There is a possibility of causing oil leakage
from the hook shaft section since oil does
not return to the oil tank when oil amount
adjustment screw 1 is used in fullytightened state. Do not use the screw in
fully-tightened state. In addition, when the
amount of oil in the hook is not obtained
unless oil amount adjustment screw 1 is
near in fully-tightened state, it is considered
that hook shaft oil wick (JUKI Part No.
11015906) is clogged or the like. Replace
the hook shaft oil wick. For the replacing
procedure, refer to (10) Replacing the hook
shaft oil wick of 9. MAINTENANCE.
Increase
1
8-2. Adjusting the amount of lubricating to face plate section (LZ-2290A-SS•A-SU(-7))
WARNING :
Turn OFF the power before starting the work so as to prevent accidents caused by abrupt start of the
sewing machine.
It is not necessary to adjust the amount of lubricating to face plate section since it has been factory-adjusted at
the time of delivery. (Oil amount adjustment screw 2 in the face plate section lubricating tank is hidden with stop
plug 1 since it is not necessary to be adjusted.)
When the adjustment is performed by mistake (mistaken as the adjustment of oil amount in the hook), re-adjust
as shown below.
1) Remove stop plug 1, and when lightly tightening
the adjustment screw 2, return the screw by
approximately 0.6 turn from the stop position.
Cau tion
1
2
Lightly tighten the screw 2. Be careful
that it is not excessively tightened.
2) In case of the normal state, the flow of oil can be
confirmed (direction of the arrow in the illustration).
In case the flow is stopped, be sure to adjust. (Wornout of the mechanism of face plate section will be
caused.)
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From the library of: Superior Sewing Machine & Supply LLC
8-3. Adjusting the height of the presser bar
1) To change the height of the presser bar or the
inclination of the presser foot, loosen the presser
bar connection screw 1 and perform the adjustment
properly.
2) After the adjustment, securely tighten the screw.
1
8-4. Adjusting the micro-lifting mechanism of the presser foot
WARNING :
To protect against possible personal injury due to abrupt start of the machine, be sure to start the
following work after turning the power off and ascertaining that the motor is at rest.
Some type of material needs to be sewn with the presser
foot slightly lifted. In this case, perform this adjustment
following the procedure described below.
1) Loosen the setscrew 1 in the presser foot micro-lifter.
2) Turn the presser foot micro-lifting screw 2 clockwise
through the hole in the face plate until the presser foot is
raised as desired. Then, tighten the screw 1 .
1
2
Cau tion
If you do not use the micro-lifting
mechanism of the presser foot, fully
return the presser foot micro-lifting
screw 2 to its home position.
The standard of lifting amount of
the presser foot is as thick as a
sheet of paper.
From the library of: Superior Sewing Machine & Supply LLC
97
8-5. Height and inclination of the feed dog
WARNING :
To protect against possible personal injury due to abrupt start of the machine, be sure to start the
following work after turning the power off and ascertaining that the motor is at rest.
(1) LZ-2290A*S
1.2mm
2
1
3
Throat plate spacer (part No. : 22503908)
Feed bar spacer (part No. : 10025906)
Feed dog
To secure a space
1) To adjust the height of the feed dog, loosen the
screw 1 and turn the feed driving link pin 2 using
a screwdriver.
2) The standard height of the feed dog is 1.2 mm.
3) To adjust the inclination of the feed dog, loosen the
two screws 3 and turn the eccentric shaft inserting
a screwdriver through the adjustment hole in the
machine bed.
4) For the machine with a thread trimmer, there can
be no space between the counter knife and the
underside of the feed dog when adjusting the feed
mechanism (change in height and timing) or using
a commercially-available feed dog. In this case,
place a feed bar spacer (part No. : 10025906) under
the feed mechanism and a throat plate spacer (part
No. : 22503908) under the throat plate so as to
secure a space between the counter knife and the
underside of the feed dog.
The standard inclination of the feed dog is obtained
by adjusting the feed dog so that it becomes horizontal
when it rises above the top surface of the throat plate.
Counter knife
(2) LZ2290A*U
1)
1
1) To adjust the height and inclination of the feed dog,
loosen the screws 1 and turn the feed driving link
pins 2 and 3 using a screwdriver as shown in the figure.
2) The standard inclination of the feed dog is obtained
by adjusting so that the engraved dot of feed driving
link pin 2 faces at 9 o’clock and the engraved dot
of feed driving link pin 3 faces at 9 o’clock.
3) The standard height of the feed dog is 1.4 mm.
4) Mainly adjust feed driving link pin 3 to adjust the
uneven material feeding. The uneven material
feeding can be corrected by adjusting the inclining
angle θ of the feed dog.
5) A spacer is inserted between the throat plate and
the feed dog of the sewing machine with thread
trimmer only.
3), 4)
2
3
θ
3
1.4 mm
2)
θ
Standard position
3
2
3
θ
3
98
From the library of: Superior Sewing Machine & Supply LLC
8-6. Hook adjusting mode
Cau tion When the hook adjusting mode is set, it is possible to adjust the hook by turning the
handwheel.
1
1) Turn ON the power. When the needle bar is not in the UP position, turn the handwheel to bring the needle
bar to its UP position.
2) Press switch 1 for approximately three seconds to display the information screen.
■ Information screen
2
3) Press 2 to enter the hook adjusting mode.
4) Zigzag patterns of straight stitch and standard zigzag stitch can be selected in the hook adjusting mode.
Straight stitch
3 : Changeover of straight stitch and standard zigzag stitch can be performed.
4 : Position of stitch base line is set with “+” and “–”.
■Hook adjusting mode setting screen <Straight stitch>
3
4
3
4
Standard zigzag stitch
5 : Changeover of straight stitch and standard zigzag stitch can be performed.
6 : Zigzag width is set with “+” and “–”. (Initial value is set to 8 mm.)
7 : Position of stitch base line is set with “+” and “–”.
From the library of: Superior Sewing Machine & Supply LLC
99
■Hook adjusting mode setting screen < Standard zigzag stitch>
5
6 7
5
6 7
5) Turn ON/OFF the power to return from the hook adjusting mode to the normal sewing mode.
* Sewing machine does not work even when the front part of the pedal is depressed during the hook adjusting mode.
* Needle throwing works by turning the handwheel by hand.
* Needle bar moves when the set value is changed at needle UP position.
Cau tion
It is possible for zigzag width and position of the stitch base line to set up to the width of 10
mm regardless of the max. zigzag width limitation at the time of the hook adjusting mode.
When using the hook adjusting mode for the machine to which presser foot, gauge,
etc. are attached, be very careful in performing the adjustment.
8-7. Attaching / removing the hook
WARNING :
To protect against possible personal injury due to abrupt start of the machine, be sure to start the
following work after turning the power off and ascertaining that the motor is at rest.
3
4
1
2
A
B
When you replace the sewing hook, remove it in the
following procedures ;
1) Turn the handwheel until the needle reaches to its
highest position.
2) Remove the needle, presser foot, throat plate, feed
dog and bobbin case from the machine.
3) Remove the setscrew 1 and take out the bobbin
case positioning finger 2.
4) Loosen the two screws 4 and remove the sewing
hook 3.
Reverse the above procedures when inserting the
sewing hook. At this time, make sure that top end A
of the bobbin case positioning finger is aligned with
line B. as shown in the figure on the left. Never let A
protrude from line B.
Reference
100
Part No. of hook 3 is 22525877.
Do not use the hook other than that
designated by JUKI.
From the library of: Superior Sewing Machine & Supply LLC
8-8. Adjusting height of the needle bar
WARNING :
To protect against possible personal injury due to abrupt start of the machine, be sure to start the
following work after turning the power off and ascertaining that the motor is at rest.
A
1
1) Set the zigzag width to “0”. Bring the needle to the
center of the zigzag stroke.
2) Remove the presser foot, throat plate, semicircle
plate and feed dog.
3) Place a semicircle plate on the plane, to which the
throat plate is to be attached, of the bed. Loosen
setscrew 2, and adjust so that from the top surface
of semicircle plate A to the bottom end of the needle
bar is as high as “1” of timing gauge 1.
1. Thickness of the semicircle plate is
different from that of the throat plate. Be
sure to use the semicircle plate when
adjusting the height of the needle bar.
Be sure to perform the adjustment with
zigzag width set to zero and with the
Cau tion
needle positioned at the center of the
zigzag stroke.
2. Use the timing gauge on which the
indication “E” is engraved which has
been supplied as accessories. (Part No.
22536502)
2
8-9. Adjusting the needle-to-hook timing and the needle guard
WARNING :
To protect against possible personal injury due to abrupt start of the machine, be sure to start the
following work after turning the power off and ascertaining that the motor is at rest.
(1) Positioning the hook
1
A
1) After the completion of the adjustment of the needle bar
height, adjust so that the blade point of the hook comes to
the center of the needle at the height of the “2” of timing
gauge 1 which has been supplied as accessories.
2) At this time, the blade point of the hook should slightly come
in contact with the needle when the needle guard does not
touch the needle.
(2) Confirmation
0 to 0.05 mm
Maximize the zigzag width (LZ-2290A : 5 mm). Bring the
needle to the leftmost position of the zigzag stroke.
Now, confirm that the top end of the needle eyelet is spaced
0.2 to 0.5 mm away from the blade point of the hook.
If the zigzag width of 10 mm is used or the shape of indented
part of the needle is different from that of indented part of
the needle at the time of delivery, re-adjust the height of the
needle bar.
(3) Adjusting the needle guard
1) Maximize the zigzag width. Bend the needle guard to adjust
so that the needle does not come in contact with the blade
point of the both at the leftmost and rightmost positions of
the zigzag stroke. At this time, adjust the clearance provided
between the needle and the blade point of the hook to 0 to
0.05 mm.
2) The needle guard functions to keep the needle away from
the blade point of the hook, thereby preventing damage to
the blade point of the hook. Whenever you have replaced
the hook with a new one, be sure to adjust the position of
the needle guard.
Cau tion When thread breakage has occurred, there is a case where thread is caught in the hook.
Be sure to perform sewing after removing the thread caught in the hook.
From the library of: Superior Sewing Machine & Supply LLC
101
8-10. Adjusting the stop position of the needle
(1) Stop position of the needle after thread trimming
A
B
C
D
1
1) The needle stops at the standard stop position when
marker dot A engraved on the handwheel cover is
aligned with white marker dot B engraved on the
handwheel.
2) Stop the needle at the highest position of its stroke,
loosen screw 1, and adjust the stop position of the
needle by moving screw 1 within the slot.
1 Move the screw in the direction C to advance
the timing to make the needle stop.
2 Move the screw in the direction D to retard the
timing to make the needle stop.
Cau tion
B
A
2
1
Do not operate the sewing machine
with screw 1 loosened.
Loosen the screw only, and do not
removed it.
(2) The lowest stop position of the needle
When you return the pedal to its neutral position after
having depressed the front part of it, the needle stops
at the lowest stop position. As in the case of the
adjustment of the highest stop position of the needle,
stop the needle 1 in the lowest position of its stroke,
loosen the screw 2 , and adjust the lowest stop
position of the needle by moving the screw 2 within
the slot. Move the screw in the direction A to advance
the timing to make the needle stop or in the direction
B to retard it.
Cau tion
Do not adjust screw 2.
It has been factory-adjusted at the
time of delivery and needle sway
will be caused if it is adjusted.
8-11. Adjusting the thread trimmer
WARNING :
To protect against possible personal injury due to abrupt start of the machine, be sure to start the
following work after turning the power off and ascertaining that the motor is at rest.
(1) Initial position of the moving knife
When the moving knife is in its initial position, the moving
knife pin 1 should be aligned with the engraved marker
dot 2 as shown in the figure on the left.
When the gauge size which is more
than that delivered as standard or
the gauge size of other
manufactures is used, and the
Cau tion counter knife interferes with the
feed dog, loosen nut 3, move the
initial position of moving knife pin
1 to the left from engraved maker
dot 2 by approximately one half
of engraved marker dot 2 and fix
the pin.
1
2
1
2
102
From the library of: Superior Sewing Machine & Supply LLC
If the initial position of the moving knife is not
correct
Loosen the nut 3 , and move the moving knife to the
right or left until the pin 1 meets the marker dot 2 .
Then, tighten the nut 3 .
3
4
5
(2) Adjusting the thread trimming timing
Put roller 4 in the cam groove. Now, gradually turn
the handwheel in the reverse direction. The handwheel
will go no further when marker dot 1 engraved on the
handwheel cover is aligned with red marker dot 2
engraved on the handwheel.
To adjust the thread trimmer cam, align the red marker
dot on the handwheel cover with the red marker dot
on the handwheel, put the roller in the groove of the
thread trimming cam, and gradually turn the handwheel
in the direction opposite to the direction of rotation of
the hook driving shaft until it will go no further. Now,
tighten two screws 5.
1
2
8-12. Adjusting the needle thread feeding device (Thread trimmer type only)
WARNING :
To protect against possible personal injury due to abrupt start of the machine, be sure to start the
following work after turning the power off and ascertaining that the motor is at rest.
2
5
3
■ Standard position of the feeding wire
1) Loosen screw 1.
2) Turn the feeding wire together with feeding wire installing
base 2, adjust the installing position of the feeding wire
so that a distance of C (8 to 12 mm) is provided between
the top end of feeding wire 3 and the guide portion of
thread take-up thread guide A 4, and tighten screw 1.
Cau tion
1
0.5 to 1
mm
A
(A ≒ B)
4
3
C 8 to 12 mm
B
At this time, leave a space of 0.5 to 1
mm between the feeding wire and the
top surface of the thread take-up thread
guide A.
3) Finely adjust with setscrews 5 so that the top end of the
feeding wire is placed approximately in the center (A ≒
B) of the thread take-up thread guide A.
■ When turning OFF the feeding device :
It is possible to turn OFF with the function setting
No. 89 described in the function setting list.
■ When needle thread feeding amount is desired to
be increased :
• Loosen setscrew 1 and adjust the relation between
A and B to A > B.
• Loosen setscrew 1 and when the whole feeding
wire installing base 2 is adjusted to the upward
direction (decrease the value, C), the feeding amount
can be increased.
From the library of: Superior Sewing Machine & Supply LLC
103
8-13. Adjusting the bird's nest prevention (CB) type wiper
WARNING :
To protect against possible personal injury due to abrupt start of the machine, be sure to start the
following work after turning the power off and ascertaining that the motor is at rest.
2 mm
5
0.5 to 1 mm
3
2
■ Position of the wiper
1) Adjust the white marker dot on the handwheel 1 to
the position where it is aligned with the marker dot on
the pulley cover 2, quietly press wiper link A to move
wiper 3. The wiper recedes by the ratchet when going
and the position where the wiper returns to its home
position is in the center of needle or the position
exceeding the center of needle.
Besides, adjust with wiper setscrew 5 so that when
wiper 3 comes to the position of the center of needle
when returning, the clearance between the wiper and
the needle tip should be approximately 2 mm and
that between the wiper and the side of needle should
be approximately 1 mm.
1
Needle
(8 mm zigzag
extreme left)
Needle
(8 mm zigzag
extreme left)
2) The top end plane of wiper 3 should be positioned
to be almost parallel to the end plane of clamp head
4. Besides, set the clamp head so that the upper
side is the protruding section.
3
4
To be almost
parallel
3
4
3) Adjust the maximum stroke of the wiper to the
position of 1 to 3 mm from the left end plane of the
presser of standard delivery.
™ Presser (asm.) of standard delivery
(Part No. 40003542)
™ Optional
Presser (asm.) for narrow width
(Part No. 40003549)
(For zigzag width 4 mm or less)
To be convex by 1 to 3 mm
104
From the library of: Superior Sewing Machine & Supply LLC
8-14. Replacing procedure of the bird’s nest prevention (CB) type presser knife
WARNING :
To protect against possible personal injury due to abrupt start of the machine, be sure to start the
following work after turning the power off and ascertaining that the motor is at rest.
The needle thread cutting knife is mounted on the presser delivered as standard for the bird's nest prevention
(CB) type.
The needle thread cutting knife is an article of consumption. When the knife becomes dull, replace it with a new one.
Name of part : Knife (ceramic)
Part No. : 11434206
1) Remove two setscrews 2 in the knife fixing plate
using a precision screwdriver and remove knife
fixing plate 1.
2
1
2) Remove two setscrews 3 in the knife using a
precision screwdriver and remove knife (ceramic)4
from fixing plate 1. Then replace the knife.
3
4
1
• When replacing knife 4 (ceramic),
be careful of the injury to the fingers.
Cau tion • When replacing knife 4 (ceramic), be
careful of its direction and position.
(It should be almost parallel to knife
fixing plate 1.)
■ When using the bird’s nest prevention type as the needle thread clamp type
When using as the needle thread clamp type, perform the setting below.
[Example of use] • When using as the interlacing failure prevention at the time of sewing from the cloth end.
• When using the normal presser. (presser without knife)
1. Set the value of function setting No.19 to 1. (Standard “0”)
2. Input the setting of number of stitches of releasing needle thread with function setting No. 28. (“0” to 30
stitches)
Cau tion
Needle thread clamp ratio when needle does not enter the cloth excessively drops in
comparison with that when needle enters the cloth.
Be sure to operate the wiper on the cloth.
■ When using the bird’s nest prevention type as the wiper type
1. Set the value of function setting No. 18 to “0”. (Standard 1)
From the library of: Superior Sewing Machine & Supply LLC
105
9. MAINTENANCE
WARNING :
To prevent personal injuries caused by electric shock hazards or abrupt start of the sewing machine, carry
out the work after turning OFF the power switch and ascertaining that the motor has completely stopped.
To prevent personal injuries, when a fuse has blown out, be sure to replace it with a new one with the same
capacity after turning OFF the power switch and removing the cause of the blown-out of the fuse.
(1) Replacing the power fuse
1) Confirm that the sewing machine has stopped, and
turn OFF the power with the power switch.
2) Confirm that the power switch has been turned OFF,
and draw out the power cord from the power
receptacle. Then, wait for five minutes or more.
3) Remove four screws tightening the rear cover of
the electrical box and slowly remove the rear cover.
4) Hold the glass portion of the fuse to be replaced
and remove the fuse.
5) Use the fuse with the specified capacity.
1 2A / 250V Time-lag type (HF0078020P0)
2 10A / 250V Time-lag type (HF001301000)
2
2
1
106
From the library of: Superior Sewing Machine & Supply LLC
(2) Power voltage changeover procedure (power voltage setting procedure)
WARNING :
To prevent personal injuries caused by electric shock hazards or abrupt start of the sewing machine,
carry out the work after turning OFF the power switch and a lapse of 5 minutes or more. To prevent
accidents caused by unaccustomed work or electric shock, request the electric expert or engineer of
our dealers when adjusting the electrical components.
It is adaptable to the voltage of single phase 100V to 120V/3-phase 200V to 240V by changing the voltage
changeover connector mounted on FLT p.c.b.
(Caution) When the changing procedure is wring, the control box will be broken. So, be very careful.
q
Changing procedure of the changeover connector
1. Turn OFF the power source with the power switch
after confirming that the sewing machine has
stopped.
2. Draw out the power cord from the power plug socket
after confirming that the power switch is turned
OFF. Then wait for five minutes or more.
3. Remove the front cover.
4. Remove four screws fixing the rear cover of the
control box and slowly open the rear cover.
A. In case of using with 3-phase 200V to 240V
• Changing the changeover connector
Connect to 200V the 100/200V changeover
connector of FLT p.c.b. q located on the upper
side of the right side face as observed from the
rear cover side.
• Connect the crimp style terminal of AC input cord
to the power plug as shown in the figure.
A
(Plug side)
WHITE
BLACK
RED
GREEN/
YELLOW
WHITE
BLACK
RED
GREEN/
YELLOW
B
(Plug side)
WHITE
BLACK
WHITE
BLACK
RED
RED
GREEN/
YELLOW
GREEN/
YELLOW
C
(Plug side)
WHITE
BLACK
WHITE
BLACK
RED
RED
GREEN/
YELLOW
GREEN/
YELLOW
B. In case of using with single phase 100V to 120V
• Changing the changeover connector
Connect to 100V the 100/200V changeover
connector of FLT p.c.b. q located on the upper
side of the right side face as observed from the
rear cover side.
• Connect the crimp style terminal of AC input cord
to the power plug as shown in the figure.
(Caution) Securely perform the insulation
treatment to the black terminal which is not
used with insulation tape or the like.
(When the insulation is insufficient, there is a
danger of electric shock or leakage current.)
C. In case of using with single phase 200V to 240V
• Changing the changeover connector
Connect to 200V the 100/200V changeover
connector of FLT p.c.b. q located on the upper
side of the right side face as observed from the
rear cover side.
• Connect the crimp style terminal of AC input cord
to the power plug as shown in the figure.
(Caution) Securely perform the insulation
treatment to the black terminal which is not
used with insulation tape or the like.
(When the insulation is insufficient, there is a
danger of electric shock or leakage current.)
5. Check that the change has been performed without
fail before closing the rear cover.
6. Be careful that the cord is not pinched between the
rear cover and the control box main unit. Close the
rear cover while pressing the lower side of rear
cover, and tighten four screws.
From the library of: Superior Sewing Machine & Supply LLC
107
(3) Adjusting the contrast of the operation panel display
Light
Shade
3
1) Press in the direction of arrow mark the click of section
A of cord outlet cover 2 assembled in the rear of
operation panel 1 and remove the cover.
2) Turn LCD screen display brightness adjustment
variable resistor 3 to adjust the brightness (contrast)
of LCD screen.
To prevent the operation panel from
Cau tion breakage, do not touch the circuit
board pattern and the connector
terminal.
1
2
A
(4) Draining (Bird’s nest prevention (CB) type only)
When the regulator becomes filled with water, turn knob
1 for drain counterclockwise.
1
(5) Cleaning the dust bag (Bird’s nest prevention (CB) type only)
Periodically clean dust bag 1.
When the dust bag becomes excessively filled
with waste thread, there may be cases where
clamp failure occurs.
( )
1
108
From the library of: Superior Sewing Machine & Supply LLC
(6) Cleaning the cooling fan installed on the under cover
Cloth waste or the like gathers around the cooling fan
filter section installed on the lower part of the under
cover, and there is a case where cooling effect of the
machine head is decreased.
3
Cau tion Be sure to install filters 2 and 3 after
they have been completely dried up.
4
2
1
(7) Cleaning the hook section
When cloth waste or the like gathers around or adheres
to the hook section, trouble (defective sewing, seizure
of hook, etc.) of sewing machine will be caused.
Periodically clean the section.
(8) Cleaning the rear cover of the control box
Clean the rear cover when dust or the like gathers on it.
(9) Cleaning the operation panel screen
Do not wipe the operation panel screen with thinner or strong force.
Lightly wipe the screen with a dry and soft cloth or an alcohol-soaked cloth to clean it.
From the library of: Superior Sewing Machine & Supply LLC
109
(10) Replacing procedure of the hook shaft oil wick
WARNING :
To protect against possible personal injury due to abrupt start of the machine, be sure to start the
following work after turning the power off and ascertaining that the motor is at rest.
3
L-shaped spanner
2
1
110
1) Hook shaft oil wick 1 is mounted on the top end of
hook shaft 3. Remove the needle and the parts
around the needle (presser foot, needle, throat plate,
feed plate, hook and woodruff plate), put a spanner,
top end of which is L-shaped to the groove section
of hook shaft oil wick screw 2, turn the handwheel
in the normal direction of rotation by hand, and draw
out the screw.
2) Draw out hook shaft oil wick 1 from hook shaft oil
wick screw 2 which has been drawn out and push
a new hook shaft oil wick 1 (JUKI Part No. :
11015906) to hook shaft oil wick screw 2 (JUKI
Part No. B1808552000). At this time, be sure to
check that hook shaft oil wick 1 has entered up to
the end of hook shaft oil wick screw 2.
* When re-assembling, check that the hole at the top
end of hook shaft oil wick screw 2 is not broken.
3) Securely tighten hook shaft oil wick screw 2 to the
top end of hook shaft 3.
From the library of: Superior Sewing Machine & Supply LLC
10. AT A TIME LIKE THIS !
Confir mation
In case of the following, check again before you judge the case as trouble.
Phenomenon
Cause
Corrective measure
Buzzer peeps and the sewing
machine fails to operate when the
machine head is tilted.
The measures described on the left are
taken for safety when tilting the machine
head without turning OFF the power.
Tilt the machine head after turning OFF
the power.
Solenoids for thread trimming,
reverse stitching, wiper, etc. fail
to work.
In case the fuse has blown.
Check the fuse.
The sewing machine fails to run
even when depressing the pedal
immediately after turning ON the
power. The sewing machine runs
when depressing the pedal again
after depressing the back part of
pedal.
Neutral position of the pedal is slipped.
(When changing the spring pressure of
pedal, the neutral position may be
slipped.)
Execute automatic compensation of
Stop position of the sewing
machine varies. (Irregular)
In case the screw of handwheel of the
machine is forgotten to be tightened when
adjusting the stop position of needle.
Securely tighten the screw of handwheel.
Presser foot does not lift although
auto-lifter is installed.
Auto-lifter function is set to OFF.
Select “FL ON” by means of auto-lifter
function setting selection.
(Function setting No. 23)
Pedal type is set to KFL.
Change the jumper to PFL setting when
lifting the presser foot by depressing the
back part of pedal.
Cord of auto-lifter is not connected to
connector.
Correctly connect the cord.
Presser foot is lifting by means of autolifter.
Operate the switch after the presser foot
has come down.
Auto-lifter function is set to ON although
auto-lifter is not installed.
Select “FL OFF” when auto-lifter is not
installed. (Function setting No. 23)
Motor output cord (4P) is disconnected.
Correctly connect the cord.
Connector of motor signal cord is
disconnected.
Correctly connect the cord.
Key lock is locked.
Change the key lock to the proper level.
P.70
neutral position of pedal sensor.
(Function setting No. 103)
The sewing machine fails to stop
even when the pedal is returned
to its neutral position.
Reverse feed stitching switch fails
to work.
The sewing machine fails to run.
Panel switch fails to work.
From the library of: Superior Sewing Machine & Supply LLC
111
11. ERROR DISPLAY
Reference
Error is informed by means of the panel display, machine head mirror LED blink and
control box buzzer.
Three different kinds of screens of the panel display screen appear due to the difference of the procedures.
1) Error screen disappears when the operator
removes the cause.
Example) The needle position is not in its
UP position.
Make the needle position UP by
turning the handwheel by hand.
2) Press the reset switch, and remove the
cause of error after erasing the error
screen.
Example) E 4 9 9 M a x . z i g z a g w i d t h
limitation error.
Press the reset switch.
3) Remove the cause of error after turning
OFF the power.
112
From the library of: Superior Sewing Machine & Supply LLC
• When the machine head is locked.
• Check whether the thread has been entangled
• When sewing extra-heavy material beyond the in the motor pulley.
guarantee of the machine head.
• Check the motor output connector (4P) for loose
• When the motor does not run.
connection and disconnection.
• When the machine head connector is not properly read. • Check the machine head connector (CN54) for
loose connection and disconnection.
• Smart media is not inserted.
Overload of motor
Machine head connector failure
Smart media not inserted
008
011
−
• Sewing data has exceeded sewing possible area.
File compatibility error
Travel limit over
032
040
From the library of: Superior Sewing Machine & Supply LLC
491
Cycle stitching pattern error
• When pattern to be used in cycle stitching becomes • Re-enter data after reset operation.
• Correct data of pattern which becomes error.
error.
Pattern setting error of continuous • When pattern No. is not set to continuous stitching. • Re-enter data after reset operation.
• When the number of stitches of 1st step of continuous stitching is "0". • Set pattern No. and number of stitches.
stitching and cycle stitching
• When pattern No. is not set to cycle stitching.
490
• Turn OFF the power.
• Operation of sewing data cannot be performed.
• When fall detection switch is inputted in the state • Check whether the machine head is tilted
that the power is turned ON.
without turning OFF the power switch (sewing
machine operation is prohibited for safety sake).
• Check whether the fall detection switch cord is caught
in the sewing machine or the like and has broken.
• Check whether the fall detection switch lever is
caught in something.
Operation error
Fall detection switch failure
042
302
• Turn OFF the power.
• Turn OFF the power.
• There is no file compatibility.
Pattern data size over
024
7 times flash
7 times flash
−
−
−
−
−
• Number of stitches and data amount which can be • Turn OFF the power.
handled with device are over.
File size over
019
−
• Turn OFF the power.
• Turn OFF the power.
• Media capacity of smart media is short.
• File is too big.
Format error
External media capacity over
−
−
• Turn OFF the power.
• Turn OFF the power.
• Smart media is in write prohibition state.
• Formatting cannot be performed.
015
Write protect
014
−
−
• Turn OFF the power.
• Turn OFF the power.
• Data write to smart media is not possible.
• Data read from smart media is not possible.
−
016
Read error
Write error
012
013
• Turn OFF the power.
−
−
−
007
005
004
Disconnection of synchronizer connector • When position detection signal is not inputted from • Check the synchronizer connector (CN30) for
the sewing machine head synchronizer.
loose connection and disconnection.
Synchronizer lower position sensor failure • When the synchronizer has broken.
• Check whether the synchronizer cord has
broken since the cord is caught in the machine
Synchronizer upper position sensor failure
head or the like.
003
• Close the lid.
−
• Lid of smart media slot is open.
Smart media cover open
Mirror LED flash
−
Item to be checked or corrective measure
−
Cause
−
Description of error detected
UP position detection error when turn- • When needle position is not UP position at the time • Set to UP position by turning handwheel by
ing ON the power
of turning ON the power.
hand.
• Connect synchronizer connector.
No.
Pictograph display
11–1. Error code list (Error display in panel)
There are the following error codes in this device. These error codes interlock (or limit function) and inform the
problem so that the problem is not enlarged when any problem is discovered. When you request our service,
please confirm the error codes.
113
114
From the library of: Superior Sewing Machine & Supply LLC
Item to be checked or corrective measure
−
−
−
−
−
−
−
−
Connection of panel which is not sup- • When panel connected to the sewing machine is • Turn OFF the power.
the kind which is not supposed.
• Connect the proper panel.
posed
• Turn OFF the power.
• Consist system versions with each other.
• Check the motor signal connector (CN38) for
loose connection and disconnection.
• Check whether the motor signal cord has broken since
the cord is caught in the machine head or the like.broken
since the cord is caught in the machine head or the like.
• When system versions are inconsistent.
• When the motor signal is not properly inputted.
• When the short-circuited solenoid is desired to be driven. • Check whether the solenoid is short-circuited.
• When voltage upper than guaranteed one is • Check whether the applied power voltage is higher
than the rated voltage + (plus) 10% or more.
inputted.
• Check whether 100V/200V changeover
• When 200V is inputted for 100V setting.
connector is set by mistake.
In the above cases, POWER circuit board has broken.
• When voltage lower than guaranteed one is • Check whether the votage is lower than the rated
inputted.
voltagw - (minus) 10% or less.
• When 100V is inputted for 200V setting.
• Check whether 100V/200V changeover
connector is set by mistake.
• Origin sensor of zigzag drive motor is not detected. • Turn OFF the power.
• Trouble of origin sensor of zigzag drive motor
• Disconnection of relay cable of zigzag drive motor
• Trouble of zigzag drive circuit
• Disconnection of operation panel cord
• Operation panel has broken.
• When temperature of inside of electrical box has • Turn OFF the power.
abnormally risen.
• Cleaning of fan filter
• Removal of cause of temperature rise of
electrical box
• Motor driver has broken.
Inconsistency of system versions
Encoder failure
Motor hole sensor failure
Solenoid short-circuit
Overvoltage
Low voltage
Zigzag drive origin error
Operation panel transmission failure
Overheat error
Motor driver failure
703
704
730
731
810
811
813
907
915
919
924
• Check the operation panel connector (CN3) for
loose connection and disconnection.
• Check whether the operation panel cord has
broken since the cord is caught in the machine
head or the like.
7 times flash
• When specified zigzag width is within max. zigzag • Re-enter data after reset operation.
width limitation, but zigzag position exceeds max. • Set the position of stitch base line within max.
zigzag width limitation according to the position of zigzag width limitation.
stitch base line.
Max. zigzag width error
499
4 times flash
−
7 times flash
• When the set zigzag width is within max. zigzag • Re-enter data after reset operation.
width limitation, but zigzag position exceeds max. • Set the position of stitch base line within max.
zigzag width limitation according to the position of zigzag width limitation.
• When condensation custom is selected, check
stitch base line.
and correct the position of condensation.
Position of stitch base line error
498
−
Mirror LED flash
7 times flash
• When data to be deleted is used in pattern sewing, • Reset operation
• In case of deletion, release the use of pattern
continuous stitching or cycle stitching.
sewing, continuous stitching or cycle stitching
used, and perform again deletion.
Cause
Condensation custom pattern width • When zigzag width of condensation custom pattern • Re-enter data after reset operation.
• Set zigzag width of condensation custom pattern
error
is larger than max. zigzag width limitation.
within max. zigzag width limitation.
Data deletion impossible
Description of error detected
493
492
No.
Pictograph display
■Warning list
No
A201
Contents and display of warning
Corrective measure
Replacement of needle warning • Press
to close warning screen, and
perform replacement of needle. Then clear
the value in the clear screen.
Remarks
Refer to “Sewing
management
information, p.71.
• Press
to clear the value, and perform
replacement of needle.
A202
Cleaning warning
• Press
to close warning screen, and
perform cleaning. Then clear the value in the
clear screen.
Refer to “Sewing
management
information, p.71.
to clear the value, and perform
• Press
cleaning.
A203
Replacement of oil warning
• Press
to close warning screen, and
perform replacement of oil. Then clear the
value in the clear screen.
Refer to “Sewing
management
information, p.71.
• Press
to clear the value and perform
replacement of oil.
From the library of: Superior Sewing Machine & Supply LLC
115
12.TROUBLES AND CORRECTIVE MEASURES
Phenomenon
Thread
breakage
Stitch
skipping
Cause
1 When the thread gets entangled in the thread takeup lever.
2 When the needle thread is threaded in a wrong way.
3 When the thread gets entangled in the sewing hook.
4 When the needle thread is excessively tight or
loose.
5 When the needle thread slips out of the rotary disc.
6 When the tension of the thread take-up spring is
excessively high or low.
7 When the stroke of the thread take-up spring is
excessively large or small.
8 When the timing of the sewing hook and the needle
is not matched.
9 When there is a scratch on the thread path of hook,
bobbin case, thread take-up lever or any other part.
!0 When the thread is not suitable.
a. The quality of the thread is poor.
b. The thread is too thick for the needle.
c. The thread is broken by heat.
!1 When the stitch is skipped.
1 When the needle is inserted in a wrong way.
a. The needle is not entirely inserted into the needle
bar.
b. The needle eye is not facing straight to the
operator.
c. The needle is facing backwards.
2 When the needle itself is not suitable.
a. The needle is bent.
b. The quality of the needle is not good.
c. The needle is too thin for the thread.
d. Blunt needle is used.
3 When the hook blade point is not sharp enough or
damaged.
4 When the timing of the sewing hook and the needle
is not matched.
5 When the height of the needle bar is not correct.
6 When the clearance between the needle and the
sewing hook is too great.
7 When the needle thread slips out of the rotary disc.
(For auxiliary thread take-up lever type only)
Corrective measures
See page
Remove the entanglement.
17
Thread it correctly.
Remove the entanglement.
Adjust the thread tension.
17
101
92
Increase the tension of the pretension disk.
Adjust the tension of the take-up spring.
92
92
Adjust the stroke of the take-up spring. (8 to 12
mm)
Adjust the timing.
92
101
Remove such a scratch or replace the component.
100, 101
Use a thread of good quality.
Use a suitable thread or needle.
Use JUKI Silicone Oil Lubricant unit.
Refer to the following paragraphs, Stitch skipping.
Fully insert the needle.
15
Let the needle eye face straight to the operator.
15
Let the long groove on the needle face to the
operator.
15
Replace it with a new needle.
Use a needle of good quality.
Use a suitable needle or thread.
Replace it with a new needle.
Resharpen the hook or replace it.
Adjust the timing properly.
Adjust the height of the needle bar.
Adjust the clearance.
15
100, 101
101
101
101
Adjust the position of the auxiliary thread take-up
lever properly.
103
1 When the needle thread tension is too low.
2 When the tension of the thread take-up spring is
too low.
3 When the tension of the bobbin thread is too high.
4 When the timing of the sewing hook and the needle
is not matched.
5 When the thread is too thick for the needle.
6 When the thread slips out of the rotary disc.
Increase the needle thread tension.
Increase the tension of the spring.
92
92
Decrease the bobbin thread tension.
Adjust the timing correctly.
92
101
Use a suitable needle or thread.
Increase the tension of the pretension disk.
92
Irregular
stitch
tightness
1 When the bobbin thread tension is too low.
2 When the bobbin thread is not wound correctly.
3 When there is a scratch on the thread path of the
sewing hook, bobbin case, thread take-up lever or
any other parts.
Increase the bobbin thread tension.
Wind up the bobbin thread evenly.
Remove such a scratch or replace the component.
Needle
breakage
1 When the needle is bent.
2 When the quality of the needle is not good.
3 When the needle is not entirely inserted into the
needle bar.
4 When the needle hits the sewing hook.
Replace it with a new needle.
Use a needle of good quality.
Insert the needle into the needle bar as far as it
will go.
Adjust the timing and clearance between the
needle and the sewing hook and also the position
of the needle guard.
Replace a suitable needle.
Loose stitch
5 The needle is too thin for the sewing material and
thread.
6 The needle hole in the throat plate is too narrow.
7 The needle hits against the throat plate.
8 The needle hits against the presser foot.
116
From the library of: Superior Sewing Machine & Supply LLC
92
15
15
101
Bird’s nest prevention (CB) type
Phenomenon
Needle
thread
clamp
failure
Cause
See page
Corrective measure
1 Improper wiper position.
Adjust the wiper to the proper position.
104
2 Air pressure drop.
Set the air pressure to 0.6Mpa.
13
3 Dust bag becomes excessively filled with Remove waste thread from the dust bag.
waste thread.
108
4 Thread trimmer or wiper operates when Operate thread trimmer or wiper on the cloth.
needle does not enter the cloth.
105
5 Needle thread length is too short.
Thread does not reach the clamp head.
92
Perform pre-tension adjustment and lengthen
needle thread. (Adjust the length from the
clamp head to approximately 20 to 35 mm.)
Clamp head
20 to
35 mm
Needle thread
6 Uneven length of left and right needle threads Change the kind of thread.
(Thread which is not stretched such as cotton
thread or the like is used.)
Bobbin
thread at
the start of
sewing is
drawn up
on the
cloth.
Bobbin thread is taken up on the cloth by needle
thread at 1st stitch at the start of sewing since
needle thread remaining amount after completion
of needle thread clamp is small.
Step 1 :
Increase the drawing amount of needle thread
and increase needle thread remaining amount
at the start of sewing.
103
Step 2 :
Make tension release SOL (solenoid) actuate
at the start of sewing to perform tension
release and increase the thread remaining
amount.
(Input the number of stitches of thread release at
the start of sewing with function setting No.100.)
84
Step 3 :
Make the thread drawing device actuate again
after completion of needle thread clamp to
perform tension release and increase the
thread remaining amount.
(Set function setting No.18 to 2.)
81
Step 4 :
Make all step items (1+ 2+ 3) function.
81, 84
Knife to cut
1 Worn-out of needle thread cutting knife.
needle thread
is dull.
2 Improper installing position of the knife.
Replace the knife with a new one.
105
Adjust the position to the proper one.
105
Interference 1 Improper UP stop position.
of wiper
with needle 2 Improper wiper locus.
Adjust the UP stop position.
102
Re-adjust the locus of the wiper.
104
Re-adjust the position of the wiper.
104
3 Improper wiper position.
From the library of: Superior Sewing Machine & Supply LLC
117
118
From the library of: Superior Sewing Machine & Supply LLC Contents
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