Alpha Vision Tech Alpha-3R Slow Cooker User Manual

Alpha-3R
Direct Thermal Portable Printer
SERVICE
MANUAL
i
Contents
1. FUNDAMENTAL OF THE SYSTEM ................................ 2
1.1 Overview ........................................................................................................... 2
2. ELECTRONICS ............................................... 3
2.1 Summary of Board Connectors ....................................................................... 3
3. MECHANISM ................................................ 7
3.1 Replacing the Platen Roller (Including media cover) ..................................... 7
3.2 Replacing the Keys Control Board .................................................................. 9
3.3 Replacing the Bluetooth Module (Option) ..................................................... 10
3.4 Replacing the Media Holder Assembly ......................................................... 11
3.5 Replacing the Main Board Assembly ............................................................ 13
3.6 Replacing the Print Head Assembly .............................................................. 14
3.7 Replacing the Stepping Motor ....................................................................... 15
3.8 Replacing the black mark sensor assembly ................................................. 16
3.9 Replacing the WiFi Module (Option) .............................................................. 17
4. TROUBLESHOOTING ......................................... 18
4.1 Common Problems ......................................................................................... 18
5. Maintenance ............................................... 20
Revise History ................................................ 21
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1. FUNDAMENTAL OF THE SYSTEM
1.1 Overview
Front View
1
2
3
4
5
6
1. LED indicator
2. Feed button
3. Power on/off button
4. Media cover release button
5. Media holder adjustment knob
6. Media cover
2
Interior View
2
1
3
4
5
1. Tear edge
2. Print head
3. Media holder
4. Platen
5. Black mark sensor
3
Rear View
1
2
3
4
5
1. Li-ion battery
2. Battery open clasp
3. USB interface
4. Power jack
5. Interface cover
2
2. ELECTRONICS
2.1 Summary of Board Connectors
Main board top
1
2
3
5
4
6
7
8
9
Connector
Description
1
LED & KEY board
2
WiFi or Bluetooth module connector
3
Pin
Description
1
3.3V
2
BT/WiFi Reset
3
BT RXD
4
BT RTS
5
BT TXD
6
BT CTS
7
WiFi wake up
8
WiFi TCP
9
BT/WiFi Switch
10
GND
Stepping motor
3
Pin
Description
1
OUT1
2
OUT2
3
OUT1
4
OUT2
Pin
Description
1
3.3V
2
GND
3
RESET
4
BMS
5
NPCS0
6
MOSI
7
MISO
8
SPCK
Pin
Description
1
HEAD
2
GND
Download F/W connector
4
Head open sensor
5
6
USB & RS 232 connector
7
12V DC IN
8
TPH connector
4
Paper sensor
9
5
Pin
Description
1
3.3V
2
BM_E
3
BM_R
4
3.3V
Main board bottom
1
Connector
1
Description
Battery connector
6
3. MECHANISM
3.1 Replacing the Platen Roller (Including media cover)
1. Remove two screws from the back of the printer and two screws from the front of
the printer.
2. Take the printer top cover off.
7
3. Use a tool to remove the shaft. Remove/Replace the media cover. (including the
platen roller ass’y)
4. Reassemble the parts in the reverse procedures.
8
3.2 Replacing the Keys Control Board
1. Refer to section 3.1 to remove the printer top cover.
2. Remove two screws on the keys control board.
3. Loosen the connector lock then disconnect the flat cable from the keys control board.
Remove/Replace the keys control board.
4. Reassemble the parts in the reverse procedures.
9
3.3 Replacing the Bluetooth Module (Option)
1. Refer to section 3.2 to remove the keys control board.
2. Remove two screws on the Bluetooth control board.
3. Disconnect the connector on the board.
4. Reassemble the parts in the reverse procedures.
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3.4 Replacing the Media Holder Assembly
1. Remove two screws and media holder adjustment knob.
2. Take the interior mechanism from the printer bottom cover.
3. Plug the media holder adjustment knob to rotate the media holder to the closest position
and remove a screw on the other side.
.
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4. Take the media holder assembly from the mechanism.
5. Reassemble the parts in the reverse procedures.
12
3.5 Replacing the Main Board Assembly
1. Refer to section 3.2 to section 3.4 to remove key control board, Bluetooth control board
(option), and the media holder assembly.
2. Remove two screws from the back of interior mechanism and disconnect all the
connectors on the main board assembly.
3. Reassemble the parts in the reverse procedures.
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3.6 Replacing the Print Head Assembly
1. Refer to section 3.2 to section 3.5 to remove key control board, Bluetooth control board
(option), the media holder assembly, and main board assembly.
2. Use the long-nose pliers to remove two spring torsions on each side.
3. Take the gear holder and the gear, and push the print head holder on the each side to
remove the print head assembly.
Gear holder
Gear
4. Reassemble the parts in the reverse procedures.
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3.7 Replacing the Stepping Motor
1. Refer to section 3.4 and section 3.5 to remove media holder assembly and main board
assembly.
2. Remove the gear holder and two gears.
Gear holder
Gears
3. Remove two screws.
4. Reassemble the parts in the reverse procedures.
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3.8 Replacing the black mark sensor assembly
1. Refer to section 3.2 to section 3.5 to remove key control board, Bluetooth control board
(option), the media holder assembly, and main board assembly.
2. Remove a screw and replace the black mark sensor.
Black mark sensor
assembly
3. Reassemble the parts in the reverse procedures.
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3.9 Replacing the WiFi Module (Option)
1. Refer to section 3.2 to remove the keys control board.
2. Remove two screws on the board.
3. Refer to section 3.5 to remove the main board assembly.
4. Replace the WiFi control board.
5. Reassemble the parts in the reverse procedures.
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4. TROUBLESHOOTING
4.1 Common Problems
The following guide lists the most common problems that may be encountered when
operating this bar code printer. If the printer still does not function after all suggested
solutions have been invoked, please contact the Customer Service Department of your
purchased reseller or distributor for assistance.
Problem
Power indicator does not
illuminate
Possible Cause
Recovery Procedure
* The battery is not properly
installed.
* The battery is dead.
* Reinstall the battery.
* Switch the printer on.
* Charge the battery.
* The printer carriage is open.
* Please close the print carriage.
* Running out of media roll.
* The media is installed
incorrectly.
* Black mark sensor is not
calibrated.
* Supply a new media roll.
* Please refer to the steps on section 3.4 to
reinstall the media roll.
* Calibrate the black mark sensor.
- The printer status from
DiagTool shows “Head
Open”.
- The printer status from
DiagTool shows “Out of
Paper”..
* Black mark sensor is not set
properly.
- The printer status from
* Make sure media size is set
DiagTool shows “Paper Jam”. properly.
* Media may be stuck inside
the printer mechanism.
Memory full
( FLASH / DRAM )
Poor Print Quality
Missing printing on the left or
* Calibrate the black mark sensor.
* Set media size correctly.
* Media is loaded incorrectly
* Dust or adhesive
accumulation on the print
head.
* Print density is not set
properly.
* Printhead element is
damaged.
* Delete unused files in the FLASH/DRAM.
* The max. numbers of DRAM is 256 files.
* The max. user addressable memory space
of DRAM is 256KB.
* The max. numbers of file of FLASH is 256
files.
* The max. user addressable memory space
of FLASH is 2560KB.
* Reload the supply.
* Clean the print head.
* Clean the platen roller.
* Adjust the print density and print speed.
* Run printer self-test and check the print
head test pattern if there is dot missing in
the pattern.
* Change proper media roll.
* Wrong label size setup.
* Set the correct label size.
* The print head is dirty.
* The platen roller is dirty.
* Clean the print head.
* Clean the platen roller.
* The space of FLASH/DRAM
is full.
right side of label
Gray line on the blank label
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Irregular printing
* The printer is in Hex Dump
mode.
* The RS-232 setting is
incorrect.
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* Turn off and on the printer to skip the
dump mode.
* Re-set the Rs-232 setting.
5. Maintenance
This session presents the clean tools and methods to maintain your printer.
1. Please use one of following material to clean the printer.
 Cotton swab
 Lint-free cloth
 Vacuum / Blower brush
 100% ethanol
2. The cleaning process is described as following,
Printer Part
Method
1. Always turn off the printer before
cleaning the print head.
2. Allow the print head to cool for a
minimum of one minute.
3. Use a cotton swab and 100%
ethanol to clean the print head
surface.
Interval
Clean the print head when changing a new
label roll
Print Head
1. Turn the power off.
2. Rotate the platen roller and wipe it
Platen Roller
thoroughly with 100% ethanol and
a cotton swab, or lint-free cloth.
Use the lint-free cloth with 100%
Tear Bar/Peel Bar
ethanol to wipe it.
Compressed air or vacuum
Sensor
Wipe it with water-dampened cloth
Exterior
Interior
Brush or vacuum
Clean the platen roller when changing a
new label roll
As needed
Monthly
As needed
As needed
Note:

Do not touch printer head by hand. If you touch it careless, please use ethanol to clean it.

Please use 100% Ethenol. DO NOT use medical alcohol, which may damage the printer head.

Regularly clean the print head and supply sensors once change a new ribbon to keep printer
performance and extend printer life.
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Revise History
Date
2013/11/4
Content
Modify some pictures for label model
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Editor
Camille
TSC Auto ID Technology Co., Ltd.
Corporate Headquarters
9F., No.95, Minquan Rd., Xindian Dist.,
New Taipei City 23141, Taiwan (R.O.C.)
TEL: +886-2-2218-6789
FAX: +886-2-2218-5678
Web site: www.tscprinters.com
E-mail: printer_sales@tscprinters.com
tech_support@tscprinters.com
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Li Ze Plant
No.35, Sec. 2, Ligong 1st Rd., Wujie Township,
Yilan County 26841, Taiwan (R.O.C.)
TEL: +886-3-990-6677
FAX: +886-3-990-5577