Sharp | AR-208S | SHARP TROUBLE & ERROR CODES AR-208D, AR-208S

5. Trouble codes
SHARP TROUBLE & ERROR CODES
AR-208D, AR-208S
A. Trouble codes list
Main Sub
Details of trouble
code code
E7
01 Duplex model memory setup error, memory notdetected error
02 LSU trouble
10 Shading trouble (Black correction)
11 Shading trouble (White correction)
16 Abnormal laser output
F2
02 Toner supply abnormality
04 Improper cartridge (Destination error, life cycle error)
F5
02 Copy lamp lighting abnormality
H2
00 Thermistor open
H3
00 Heat roller high temperature detection
H4
00 Heat roller low temperature detection
L1
00 Feeding is not completed within the specified time
after starting feeding. (The scan head locking switch
is locked)
L3
00 Scanner return trouble
L4
01 Main motor lock detection
32 Exhaust fan motor lock detection trouble
L6
10 Polygon motor lock detection
U2
04 EEPROM read/write error (Serial communication
error)
11 Counter check sum error (EEPROM)
40 CRUM chip communication error
B. Details of trouble codes
Main Sub
Details of trouble
code code
E7
01 Content Duplex model memory setup error, memory
not-detected error
Detail
The memory is not set properly or the
memory capacity is not set to the duplex
setup (6M).
Check Set TC 26-39 code number to 2.
and
remedy
02 Content LSU trouble
Detail
The BD signal from the LSU cannot be
detected in a certain cycle. (Always OFF or
always ON)
Cause LSU connector or LSU harness defect or
disconnection
Polygon motor rotation abnormality
Laser beams are not generated.
MCU PWB abnormality.
Check Check connection of the LSU connector.
and
Execute TC 61-03 to check the LSU
remedy operations.
Check that the polygon motor rotates
normally.
Check that the laser emitting diode
generates laser beams.
Replace the LSU unit.
Replace the MCU PWB.
Main Sub
Details of trouble
code code
E7
10 Content Shading trouble (Black correction)
Detail
The CCD black scan level is abnormal when
the shading.
Cause Improper connection of the CCD unit flat
cable
CCD unit abnormality
MCU PWB abnormality
Check Check connection of the CCD unit flat cable.
and
Check the CCD unit.
remedy
11 Content Shading trouble (White correction)
Detail
The CCD white scan level is abnormal when
the shading.
Cause Improper connection of the CCD unit flat
cable
Dirt on the mirror, the lens, and the reference
white plate
Copy lamp lighting abnormality
CCD unit abnormality
MCU PWB abnormality
(When occurred in the RSPF scan position.)
Improper installation of the mirror unit
Check Clean the mirror, lens, and the reference
and
white plate.
remedy Check the light quantity and lighting status of
the copy lamp (TC 5-03).
Check the MCU PWB.
16 Content Abnormal laser output
Detail
When the laser output is stopped, HSYNC is
detected.
Cause Laser abnormality
MCU PWB abnormality.
Check Check the laser emitting diode operation.
and
Replace the MCU PWB.
remedy
F2
02 Content Toner supply abnormality
Detail
The maximum toner supply time is greatly
exceeded.
Cause CRUM chip trouble
Improper developing unit
Check Replace the CRUM chip.
and
Replace the developing unit.
remedy
04 Content Improper cartridge (Destination error, life
cycle error)
Detail
The destination of the main unit differs from
that of the CRUM.
When the life cycle information is other than
Not Used (FFh).
Cause CRUM chip trouble
Improper developing unit
Check Replace the CRUM chip.
and
Replace the developing unit.
remedy
AR-208S/208D TEST COMMAND, TROUBLE CODES 10 - 39
Main Sub
Details of trouble
code code
F5
02 Content Copy lamp lighting abnormality
Detail
The copy lamp does not turn on.
Cause Copy lamp abnormality
Copy lamp harness abnormality
CCD PWB harness abnormality.
Check Use TC 5-03 to check the copy lamp
and
operations.
remedy When the copy lamp lights up.
Check the harness and the connector
between the CCD unit and the MCU PWB.
When the copy lamp does not light up.
Check the harness and the connector
between the copy lamp unit and the MCU
PWB.
Replace the copy lamp unit.
Replace the MCU PWB.
H2
00 Content Thermistor open
Detail
The thermistor is open.
The fusing unit is not installed.
Cause Thermistor abnormality
Control PWB abnormality
Fusing section connector disconnection
The fusing unit is not installed.
Check Check the harness and the connector
and
between the thermistor and the PWB.
remedy Use TC 14 to clear the self diagnostic
display.
H3
00 Content Heat roller high temperature detection
Detail
The fusing temperature exceeds 240°C.
Cause Thermistor abnormality
Control PWB abnormality
Fusing section connector disconnection.
Check Use TC 5-02 to check the heater lamp
and
blinking operation.
remedy When the lamp blinks normally.
Check the thermistor and its harness.
Check the thermistor input circuit on the
control PWB.
When the lamp keeps ON.
Check the power PWB and the lamp control
circuit on the MCU PWB.
Use TC 14 to clear the self diagnostic
display.
Main Sub
Details of trouble
code code
H4
00 Content Heat roller low temperature detection
Detail
1) When the target temperature (165°C) is
not reached in 55 sec after starting
warming-up.
2) When the temperature below 100°C is
detected for 300ms under the ready print
state.
"Starting warming-up" means not only that
in power supply but also reset that in reset
from shut-off and in side door close. (The
timing of generating H4 is not limited to
that in power supply.)
Cause Thermistor abnormality
Heater lamp abnormality
Thermostat abnormality
Control PWB abnormality
Check Use TC 5-02 to check the heater lamp
and
blinking operation.
remedy When the lamp blinks normally.
Check the thermistor and its harness.
Check the thermistor input circuit on the
control PWB.
When the lamp does not light up.
Check for disconnection of the heater lamp
and the thermostat. Check the interlock
switch.
Check the power PWB and the lamp control
circuit on the MCU PWB.
Use TC 14 to clear the self diagnostic
display.
L1
00 Content Feeding is not completed within the specified
time after starting feeding. (The scan head
locking switch is locked)
Detail
Though the mirror base is shifted by about
30mm, the MHPS is not turned OFF.
Cause The scan head is locked by the lock switch.
Mirror unit abnormality
The scanner wire is disconnected.
The origin detection sensor abnormality
Mirror motor harness abnormality
Check Check to confirm that the scan head lock
and
switch is released.
remedy Use TC 1-01 to check the mirror
reciprocating operations.
When the mirror does not feed.
Check for disconnection of the scanner wire.
Check the harness and the connector
between the mirror motor and the MCU
PWB.
Replace the mirror unit.
Replace the MCU PWB.
When the mirror does feed.
Use TC 1-02 to check the mirror home
position sensor.
AR-208S/208D TEST COMMAND, TROUBLE CODES 10 - 40
Main Sub
Details of trouble
code code
L3
00 Content Scanner return trouble
Detail
When the mirror base is returned for the
specified time (6 sec) in mirror initializing
after turning on the power, the mirror home
position sensor (MHPS) does not turn ON.
Or when the mirror base is returned for the
specified time (about 6 sec) after start of
copy return, the mirror home position sensor
(MHPS) does not turn ON.
Cause Mirror unit abnormality
Scanner wire disconnection
Origin detection sensor abnormality
Mirror motor harness abnormality
Check Use TC 1-01 to check the mirror
and
reciprocating operations.
remedy When the mirror does not return.
Check for disconnection of the scanner wire.
Check the harness and the connector
between the mirror motor and the MCU
PWB.
Replace the mirror unit.
Replace the MCU PWB.
When the mirror does feed.
Use TC 1-02 to check the mirror home
position sensor.
L4
01 Content Main motor lock detection
Detail
When the main motor encoder pulse is not
detected for 1000 msec.
Cause Main motor unit abnormality
Improper connection or disconnection the
main motor and the harness.
MCU PWB abnormality
Check Use TC 25-01 to check the main motor
and
operations.
remedy Check connection of the main motor
harness/connector.
Replace the main motor.
Replace the MCU PWB.
32 Content Exhaust fan motor lock detection trouble
Detail
The error detection is started after 2 sec
from starting rotation of the exhaust fan
motor.
1) The continuous rotation state of 250ms is
not detected for 1 sec after starting
detection.
2) When the lock sensor (in the exhaust fan)
detects the HIGH level (unstable) after
detection the lock state (stable state).
Cause Exhaust fan motor connector connection
trouble
Exhaust fan motor trouble
MCU PWB trouble
Check Exhaust fan motor connector connection
and
check
remedy Exhaust fan motor replacement
Replace the MCU PWB.
Main Sub
Details of trouble
code code
L6
10 Content Polygon motor lock detection
Detail
The lock signal (specified rpm signal) does
not return within a certain time (about 20
sec) from starting the polygon motor
rotation.
Cause Polygon motor unit abnormality
Improper connection or disconnection of the
polygon motor and the harness.
MCU PWB abnormality
Check Use TC 61-01 to check the polygon motor
and
operations.
remedy Check connection of the polygon motor
harness/connector.
Replace the polygon motor.
Replace the MCU PWB.
U2
04 Content EEPROM read/write error (Serial
communication error)
Detail
EEPROM access process error
Cause EEPROM abnormality
Check Check that the EEPROM is properly set.
and
Cancel by turning OFF/ON the power.
remedy Replace the MCU PWB.
11 Content Counter check sum error (EEPROM)
Detail
Check sum error of the counter area in the
EEPROM
Cause EEPROM abnormality
Check Check that the EEPROM is properly set.
and
Use TC 16 to cancel the trouble.
remedy Replace the MCU PWB.
40 Content CRUM chip communication error
Detail
An error occurs in MCU-CRUM chip
communication.
Cause CRUM chip trouble
Defective contact of developing unit
MCU PWB trouble
Check Replace the CRUM chip.
and
Check installation of the developing unit.
remedy Cancel by turning OFF/ON the power.
Replace the MCU PWB.
AR-208S/208D TEST COMMAND, TROUBLE CODES 10 - 41
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