Confidential
2-26
■ Error Code 1300
Defective during duplex-printing
- Registration sensor detects paper feed condition at out of specified timing during 
switchback.
< User Check >
- Check that recording paper is not loaded in the MP tray and/or manual feed slot.
- Check whether the recording paper being used is within the specification.
- Check that Output paper tray is set correctly (not inserted halfway).
■ Error Code 1500
Paper jam during duplex ejecting
- Recording paper is not able to be ejected since it is longer than 840 mm when ejecting 
the paper. 
(The registration sensor stays in the paper feeding condition during 
ejecting.)
< User Check >
- Remove the jammed paper.
- Check whether the recording paper being used is within the specification.
Step Cause Solution
1 Registration actuator caught 
on the surrounding parts
Set the registration actuator into place.
2 Switchback actuator caught on 
the surrounding parts
Set the switchback frame ASSY into place.
3 Registration sensor defective Replace the  registration sensor PCB.
4 Main PCB defective Replace the main PCB.
Step Cause Solution
1 Foreign materials in the 
recording paper path
Remove foreign materials.
2 Registration actuator caught 
on the surrounding parts
Set the registration actuator into place.
3 Main PCB defective Replace the main PCB.