Brother DCP-J925DW, Service Manual

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2-37 Confidential
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Error Code 5A
Abnormal stop of purge cam being driven.
Error Code 5B
Abnormal stop of pump in the maintenance unit.
Unable to Clean 5A LCD
Unable to Clean 5B
LCD
Step Cause Solution
1 Foreign materials in the
maintenance unit or around the
paper feed roller Remove foreign materials.
2 PF encoder disc stained Replace the PF encoder disc and clean the flushing
guide. Refer to
Chapter 3, Section 1 .
3 PF encoder sensor PCB defective Replace the PF encoder sensor PCB ASSY.
4 Ink supply tubes bent Replace the ink refill ASSY.
5 Main drain tube bent Replace the main drain tube.
6 ASF switching gear A or B
broken Replace the ASF switching gear A or B.
7 Paper feed motor defective Replace the paper feed motor.
8 Maintenance unit defective Replace the maintenance unit.
9 Engine unit defective Replace the engine unit.
10 Power supply PCB defective Replace the power supply PCB ASSY.
11 Main PCB defective Replace the main PCB ASSY.