Brother MFC Series Service Manual page 57

■ Error Code 31
Paper Jam
The Head/carriage unit cannot return to its home position.
Detected by the CR encoder sensor.
<User Check>
- Release the release lever at the back of the Paper tray and remove the jammed
recording paper from the engine part.
Step
1 Foreign materials inside the
engine
2 CR encoder strip stained
3 Ink supply tubes not properly
attached
4 CR guide rail not properly
attached
5 Maintenance unit not properly
attached
6 CR encoder strip defective
7 CR encoder sensor defective
8 Maintenance unit defective
9 Main PCB defective
■ Error Code 32
Unable to print 32
Head capping cannot be done.
<User Check>
- Release the release lever at the back of the Paper tray and remove the jammed
recording paper from the Platen part and the Maintenance unit part.
Step
1 Foreign materials around the
Maintenance unit
2 Ink supply tubes not properly
attached
3 Maintenance unit defective
4 Main PCB defective
Cause
Remove foreign materials.
Clean the CR encoder strip.
Reattach the Ink supply tubes.
Reattach the CR guide rail.
Reattach the Maintenance unit.
Replace the CR encoder strip.
Replace the Carriage PCB ASSY.
Replace the Maintenance unit.
Replace the Main PCB ASSY.
Cause
Remove foreign materials.
Reattach the Ink supply tubes.
Replace the Maintenance unit.
Replace the Main PCB ASSY.
2-25
LCD
Solution
LCD
Solution
Confidential