| 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. |
- |
- |
