Faulty Registration - Brother DCP-9010CN Service Manual

Step Cause
HVPS control PCB
8
failure
9 High-voltage power
supply PCB failure
10 LED head control
PCB failure
Main PCB failure
11

■ Faulty registration

Step Cause
1 Registration rear
actuator catching
on some position
2 HVPS control PCB
failure
3 Main PCB failure
Check
Is the problem solved
after replacing the
HVPS control PCB
ASSY?
Is the problem solved
after replacing the
high-voltage power
supply PCB ASSY?
Is the problem solved
after replacing the LED
head control PCB
ASSY?
Is the problem solved
after replacing the main
PCB ASSY.
Check
Does the registration
rear actuator move
smoothly?
Is the problem solved
after replacing the HVPS
control PCB ASSY?
Is the problem solved
after replacing the main
PCB ASSY?
3-64
Remedy
Result
Yes Replace the HVPS
control PCB ASSY.
Yes Replace the
high-voltage power
supply PCB ASSY.
Yes Replace the LED head
control PCB ASSY.
Yes Replace the main PCB
ASSY.
Remedy
Result
No Correct catching of the
registration rear
actuator.
Yes Replace the HVPS
control PCB ASSY.
Yes Replace the main PCB
ASSY.
Confidential