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Sharp ANALOG Copier Diagnostic Codes

For information only
Use these error codes AT YOUR OWN RISK!
NOT for use with Sharp Digital Copiers
NOT for use with post 1995 Sharp Copiers
NOT all codes apply to all copiers!


Code Sub # Trouble Description Cause Test
L1 - The forward scan is not completed within 10 sec. after the mirror starts moving. Mirror motor control PWB failure, Mirror motor failure 1, 2
L2 1 Mirror motor lock Mirror motor control PWB failure, Mirror motor failure 1, 2
2 Mirror home position sensor (MHPS) trouble Mirror motor control PWB failure, Mirror motor failure 1, 2
L3 - Mirror returning is not completed within 10 sec from the initial start in the case of mirror initialization and from the completion of copying in the case of copying operation. MHPS failure
Mirror motor control PWB failure, Mirror motor failure
1, 2
L4 - No PT (Pulse Timer) Signal PT PWB failure
Signal not generated due to failure of PT PWB sensor or improperly installed PT disk. Main PWB failure, failure of main motor or drive train.
1
L5 0 Lens move is not completed within 12.5 sec after the lens started to move. Lens motor, LHPS failure 26, 27
1 No. 4/5 mirror stepping motor trouble No. 4/5 stepping motor failure, No. 4/5 mirror home position sensor failure
26, 27
2 No. 4/5 mirror home position sense trouble Main PWB 26, 27
4 Lens stepping motor trouble Lens motor failure, main PWB 26, 27
8 Lens home position sense trouble Lens home position sensor, main PWB 26, 27
L6 - Rotary cassette position sense failure Cassette position sensor failure RC motor failure 63, 69
L8 - Full wave signal abnormality   -
L9 11 Sorter home position is not detected within 10 sec from resetting the sorter home bin. Home position sensor failure, motor failure 61
13 The standby position is failed to keep after shift operation completed within 1.1 sec after sorter 1-bin shift operation. Index stop position sense SW failure, motor failure 61
P1 - Open copy lamp thermal fuse - -
H1 - Open upper thermal fuse - -
H2 - Open upper heater thermistor or the fusing unit is not installed when the door is closed. Thermistor open -
H3 - Heat roller abnormally high temperature Triac shorted 6
H4 - The set temperature is not reached within 90 sec after turning on the power (the heater lamp lights up after 1 sec from turning on the power relay). After reaching the specified temperature, abnormal temperature is detected. Heater lamp open
Defective installation of thermistor
Thermostat open
6
H5 - Open lower thermal fuse - -
H6 - Open lower heater thermistor or the fusing unit is not installed when the door is closed. Thermistor open -
U1 - Low battery voltage for backup memory - 13
U2 - Sum check error in the backup memory counter - -
U3 - AE sensor trouble-
In test command 47, AE sensor output level does not change for the copy lamp light intensity.
AE sensor, main PWB failure -
U5 0 ADF communication trouble Harness, ADF control PWB failure -
1 ADF motor drive failure Motor failure, motor rotation sensor failure 30, 31, 33
EE - Automatic developer adjustment trouble-
Sensor level input error
* Occurs after automatic developer adjustment with test command 25.
Toner control sensor failure 25
EL - Sensor level input error (Over toner)-
* Occurs during sensor level reading with test command 25.
Toner control sensor failure 25
EU - Sensor level input error (Under toner)-
* Occurs during sensor level reading with test command 25.
Toner control sensor failure 25
CC - Document sensor trouble. When the level difference between paper presence and paper empty is less than 4 steps in test command 60. (1 step = 5V/256) LED PWB failure, Light receiving PWB failure, arm unit adjustment failure 60
94
CH steady Door switch is not turned on. (The interlock switch is ON.) - -
CH blink The DV tank is not installed. - -
PC - Personal counter is not installed.
The personal counter connector is disconnected.
- -


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