Brother MFC-J2320 - Page 82

Confidential
2-45
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.
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.

Error Code 87
Paper Jam
LCD
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 ejection roller,
switchback roller stained
Clean the related rollers.
5 Paper ejection roller,
switchback roller defective
Replace related rollers.
6 Main PCB defective Replace the main PCB ASSY.

Error Code 88
Paper Jam
LCD
Step Cause Solution
1 Foreign materials in the
feeding path
Remove foreign materials.
2
Switchback actuator out of place Set the switchback frame ASSY into place.
3 Switchback sensor harness
connection failure
Reconnect the switchback sensor harness.
4 Sensor relay PCB harness
connection failure
Reconnect the sensor relay PCB harness.
5 Paper feed roller, paper
ejection roller stained
Clean the related rollers.
6 Paper feed roller, paper
ejection roller defective
Replace related rollers.
7 Sensor relay PCB defective Replace the sensor relay PCB ASSY.
8 Main PCB defective Replace the main PCB ASSY.