Brother MFC-J6920DW, Service Manual

Page: 66 / 365

Confidential 2-32
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Error Code 3E
Defective occurs in the carriage motor, paper feed motor.
Unable to Print 3E LCD
Step Cause Solution
1 Foreign materials in the
recording paper path Remove foreign materials.
2 Foreign materials in the
maintenance unit Remove foreign materials.
3 Foreign materials around
paper feed roller belt Remove foreign materials.
4 Foreign materials around
paper eject roller belt Remove foreign materials.
5 Foreign materials in the engine
unit Remove foreign materials.
6 Maintenance unit not mounted
in place Set the maintenance unit into place.
7 Flushing box not mounted in
place Set the flushing box into place.
8 Carriage rail not mounted in
place Set the carriage rail into place.
9 Platen not mounted in place Set the platen into place.
10 PF encoder sensor defective Replace the PF encoder sensor PCB ASSY.
11 CR encoder sensor defective Replace the carriage PCB ASSY.
12 Carriage motor defective Replace the carriage motor ASSY.
13 Paper feed motor defective Replace the paper feed motor.
14 Main PCB defective Replace the main PCB ASSY.