Brother DCP-J4110DW Service Manual page 83

Inkjet printers
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Error Code 84
Paper Jam
Recording paper jam, registration sensor stays in paper feeding state even after completion of
paper ejection action.
User Check
- Remove the jammed paper in platen part.
Step
1
Foreign materials in the feeding
path
2
Registration actuator caught on
the surrounding parts
3
Switchback actuator caught on the
surrounding parts
4
Recording paper feed roller,
recording paper eject roller,
switchback roller stained
5
Recording paper feed roller,
recording paper eject roller,
switchback roller defective
6
Main PCB defective
Error Code 87
Paper Jam
Recording 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.
Step
1
Foreign materials in the feeding
path
2
Switchback actuator caught on the
surrounding parts
3
Switchback outer paper guide not
mounted in place
4
Recording paper ejection roller,
switchback roller stained
5
Paper ejection roller, switchback
roller defective
6
Main PCB defective
Cause
Remove foreign materials.
Set the registration actuator into place.
Set the switchback frame ASSY into place.
Clean the related rollers.
Replace related rollers.
Replace the main PCB ASSY.
Cause
Remove foreign materials.
Set the switchback frame ASSY into place.
Set the switchback outer paper guide into place.
Clean the related rollers.
Replace related rollers.
Replace the main PCB ASSY.
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