Brother MFC-J6510DW Service Manual page 70

Step
8
Maintenance unit defective
9
Engine unit defective
10 Main PCB defective
11 Power supply PCB defective
Error Code 5D
Unable to Clean 5D
Driver IC overcurrent protection activated when the purge cam was being driven.
Error Code 5E
Unable to Clean 5E
Driver IC overcurrent protection activated when the pump was in operation.
Step
1 Main drain tube bent
2 Foreign materials in the
maintenance unit or around the
paper feed roller
3
Ink supply tubes bent
4 ASF switching gear broken
5
Maintenance unit defective
6
Engine unit defective
7
Main PCB defective
Cause
Replace the maintenance unit.
Replace the engine unit.
Replace the main PCB ASSY.
Replace the power supply PCB.
Cause
Reconnect the main drain tube.
Remove foreign materials.
Replace the ink refill ASSY.
Replace the ASF switching gear.
Replace the maintenance unit.
Replace the engine unit.
Replace the main PCB ASSY.
2-40
Solution
LCD
LCD
Solution
Confidential