Brother MFC-J2320 Service Manual page 82

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 Paper ejection roller,
switchback roller stained
5 Paper ejection roller,
switchback roller defective
6 Main PCB defective
Error Code 88

Paper Jam
Recording 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
1 Foreign materials in the
feeding path
2 Switchback actuator out of place
3 Switchback sensor harness
connection failure
4 Sensor relay PCB harness
connection failure
5 Paper feed roller, paper
ejection roller stained
6 Paper feed roller, paper
ejection roller defective
7 Sensor relay PCB defective
8 Main PCB defective
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.
Cause
Remove foreign materials.
Set the switchback frame ASSY into place.
Reconnect the switchback sensor harness.
Reconnect the sensor relay PCB harness.
Clean the related rollers.
Replace related rollers.
Replace the sensor relay PCB ASSY.
Replace the main PCB ASSY.
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LCD
Solution
LCD
Solution
Confidential