Brother MFC-J6935DW - Caused by Paper Jam When Ink Is Not Discharging; Causes Other than Paper Jam When Ink Is Discharging; Causes Other than Paper Jam When Ink Is Not Discharging

Confidential
2-35
■ Error Code 3500
Abnormal stop of head/carriage unit being driven.
- Causes other than paper jam when ink is not discharging.
■ Error Code 3800
Abnormal stop of head/carriage unit being driven.
- Caused by paper jam when ink is not discharging.
< User Check >
- Remove the jammed paper in platen part.
■ Error Code 3B00
Abnormal stop of head/carriage unit being driven.
- Causes other than paper jam when ink is discharging.
Step Cause Solution
1
Foreign materials in the engine unit Remove foreign materials.
2 CR encoder strip stained Clean the CR encoder strip.
3 Switching lever guide out of
place
Set the switching lever guide into place.
4 CR encoder strip defective Replace the CR encoder strip.
5 CR encoder sensor defective Replace the carriage PCB ASSY.
6 Maintenance unit defective Replace the maintenance unit.
7 Main PCB defective Replace the main PCB.
Step Cause Solution
1
Foreign materials in the engine unit Remove foreign materials.
2 CR encoder strip stained Clean the CR encoder strip.
3 Switching lever guide out of
place
Set the switching lever guide into place.
4 CR encoder strip defective Replace the CR encoder strip.
5 CR encoder sensor defective Replace the carriage PCB ASSY.
6 Maintenance unit defective Replace the maintenance unit.
7 Main PCB defective Replace the main PCB.
Step Cause Solution
1
Foreign materials in the engine unit Remove foreign materials.
2 CR encoder strip stained Clean the CR encoder strip.
3 CR encoder strip defective Replace the CR encoder strip.
4 CR encoder sensor defective Replace the carriage PCB ASSY.
5 Main PCB defective Replace the main PCB.