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Confidential
2-48
■
Error Code 8700
Paper jam.
- Switchback sensor stays in paper feeding state even after completion of paper
ejection action.
< User Check >
- Remove the jammed paper in front part.
- The paper tray is not set correctly.
■
Error Code 8800
Paper jam.
- Switchback sensor cannot detect paper feeding state even papers are fed during
printing.
< User Check >
- Remove the jammed paper in platen part and front part.
Step
Cause
Solution
1
Foreign materials in the
feeding path
Remove foreign materials.
2
Switchback actuator caught on
the surrounding parts
Set the switchback frame ASSY into place.
3
Switchback outer paper guide
not mounted in place
Set the switchback outer paper guide into place.
4
Paper feed roller or switchback
roller stained
Clean the paper feed roller or switchback roller.
5
Paper feed roller or switchback
roller defective
Replace the paper feed roller or switchback
roller.
6
PF encoder sensor defective
Replace the PF encoder sensor PCB.
7
Maintenance unit defective
Replace the maintenance unit.
8
Main PCB defective
Replace the main PCB.
Step
Cause
Solution
1
Foreign materials in the
feeding path
Remove foreign materials.
2
Switchback actuator caught on
the surrounding parts
Set the switchback frame ASSY into place.
3
Switchback sensor harness
connection failure
Reconnect the switchback sensor harness.
4
Paper feed roller or paper
ejection roller stained
Clean the paper feed roller or paper ejection
roller.
5
Paper feed roller or paper
ejection roller defective
Replace the paper feed roller or paper ejection
roller.
6
PF encoder sensor defective
Replace the PF encoder sensor PCB.
7
Maintenance unit defective
Replace the maintenance unit.
8
Main PCB defective
Replace the main PCB.