2-22
Confidential
■ Error code 12
Inter-color position alignment adjustment failure.
(Incorrect measurement value of inter-color position alignment adjustment.)
<User Check>
- Replace the toner cartridge with a new one.
- Replace the belt unit with a new one.
- Replace the waste toner box with a new one.
■ Error code 16
Paper of unsupported size for duplex printing or paper of different sizes is loaded.
<User Check>
- Use the A4 or Letter size paper.
Registration
Registration failed. See Troubleshooting chapter in User’s Guide.
Step Cause Remedy
1 Foreign object is affixed around
the density sensor
Remove the foreign object affixed around
the density sensor.
2 Harness connection failure of
registration mark sensor holder
ASSY
Check the harness connection of the
registration mark sensor holder ASSY and
reconnect it.
3 Registration mark sensor PCB
failure
Replace the registration mark sensor
holder ASSY.
4 High-voltage power supply PCB
failure
Replace the high-voltage power supply
PCB ASSY.
5 Engine PCB failure Replace the engine PCB ASSY.
6 Low-voltage power supply PCB
failure
Replace the low-voltage power supply
PCB ASSY.
7 Main PCB failure Replace the main PCB ASSY.
Duplex Disabled
Reload paper, then press Go.
Step Cause Remedy
1 Registration rear actuator
catching on some position
Correct the position of the registration rear
actuator.
2 Main PCB failure Replace the main PCB ASSY.
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