Brother MFC Series Service Manual page 60

■ Error Code 3E
Unable to print 3E
A problem occurred in the Carriage motor, Paper feed motor.
<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 in the Engine
unit
2 Foreign materials in the
Maintenance unit
3 Foreign materials inside the
recording paper feeding path
gear
4 Ink supply tubes not properly
attached
5 Head/carriage unit not properly
attached
6 CR guide rail not properly
attached
7 Maintenance unit not properly
attached
8 PF encoder sensor defective
9 CR encoder sensor defective
10 Maintenance unit defective
11 Carriage motor defective
12 Paper feed motor defective
13 Main PCB defective
Cause
Remove foreign materials.
Remove foreign materials.
Remove foreign materials.
Reattach the Ink supply tubes.
Reattach the Head/carriage unit.
Reattach the CR guide rail.
Reattach the Maintenance unit.
Replace the PF encoder sensor PCB ASSY.
Replace the Carriage PCB ASSY.
Replace the Maintenance unit.
Replace the Carriage motor ASSY.
Replace the Paper feed motor.
Replace the Main PCB ASSY.
2-28
LCD
Solution
Confidential