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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.
(Non Touch panel model)
Registration
Registration failed. See Troubleshooting chapter in User’s Guide.
(Touch panel model)
Registration failed
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 Start.
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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