Abnormal Stop Of The Purge Cam During Head Capping. (When Being Driven In The Capping Direction); Abnormal Stop Of The Purge Cam During Head Capping. (When Being Driven In The Uncapping Direction); Driver Ic Overcurrent Protection Activated When The Purge Cam Was Being Driven - Brother MFC-J6510DW Service Manual

Error Code 7A
Unable to clean 7A
Abnormal stop of the purge cam during head capping. (When being driven in the capping
direction)
Error Code 7B
Unable to clean 7B
Abnormal stop of the purge cam during head capping. (When being driven in the uncapping
direction)
Step
1 Foreign materials in the
maintenance unit
2 ASF motor defective
3 Maintenance unit defective
4 Main PCB defective
5 Power supply PCB defective
Error Code 7D
Unable to clean 7D

Driver IC overcurrent protection activated when the purge cam was being driven.

Step
1 Foreign materials in the
maintenance unit
2 ASF motor defective
3 Maintenance unit defective
4 Main PCB defective
5 Power supply PCB defective
Cause
Remove foreign materials.
Replace the ASF drive ASSY.
Replace the maintenance unit.
Replace the main PCB ASSY.
Replace the power supply PCB ASSY.
Cause
Remove foreign materials.
Replace the ASF drive ASSY.
Replace the maintenance unit.
Replace the main PCB ASSY.
Replace the power supply PCB.
2-44
LCD
LCD
Solution
LCD
Solution
Confidential