2-66
Confidential
■ Error code 9A
No paper is loaded in the MP tray (MP paper empty sensor fails to be turned ON.)
<User Check>
- Load paper in the MP tray.
■ Error code 9D
Detection of incorrect registration sensor measurement value when implementing adjustment
of inter-color position alignment.
<User Check>
- Check if there is a scratch, dirt or the like on the belt unit. If there is, replace the belt unit
with a new one.
- Replace the waste toner box with a new one.
Manual Feed
Load <size> Paper.
Step Cause Remedy
1 Coming off of MP paper empty
actuator
Re-assemble the MP paper empty
actuator.
2 Harness connection failure of
MP paper empty/registration
front sensor PCB
Check the harness connection of the
MP paper empty/registration front sensor
PCB and reconnect it.
3 MP paper empty sensor/
registration front sensor PCB
failure
Replace the MP paper empty/registration
front sensor PCB ASSY.
4 Engine PCB failure Replace the engine PCB ASSY.
5 Main PCB failure Replace the main PCB ASSY.
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.
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