Confidential
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Error Code 810F
MP tray recording paper size error (during copy printing) (Only the models with
multiple trays)
The registration sensor and paper width sensor detect recording paper smaller than
the setting size.
Error Code 8120
Recording paper size error (during PC printing/Copy/AirPrint printing)
The registration sensor and paper width sensor detect that the size of the loaded
recording paper does not match the recording paper size setting.
< User Check >
- Check that the recording paper of the specified size is used.
- Check that recording paper is loaded in correct direction in the tray.
- Check that dark recording paper is not used.
-
Clean the platen.
Step Cause Solution
1 Registration actuator caught
on the surrounding parts
Set the registration actuator into place.
2 CR encoder strip stained Clean the CR encoder strip.
3 PF encoder disk stained Clean the PF encoder disk and flushing guide.
(refer to "Precautions for Troubleshooting and/
or Disassembly/Assembly")
4 CR encoder strip defective Replace the CR encoder strip.
5
PF encoder disk
defective Replace the PF encoder disk.
6 Paper width sensor defective Replace the carriage PCB ASSY.
7
PF encoder sensor
defective Replace the PF encoder sensor PCB.
8 Registration sensor defective Replace the registration sensor PCB.
9 Carriage motor defective Replace the carriage motor.
10 Paper feed motor defective Replace the paper feed motor.
11 Maintenance unit defective Replace the maintenance unit.
12 Main PCB defective Replace the main PCB.
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