Brother MFC-9125CN - Faulty Registration

3-64
Confidential
■ Faulty registration
8
HVPS control PCB
failure
Is the problem solved
after replacing the
HVPS control PCB
ASSY?
Yes Replace the HVPS
control PCB ASSY.
9
High-voltage power
supply PCB failure
Is the problem solved
after replacing the
high-voltage power
supply PCB ASSY?
Yes Replace the
high-voltage power
supply PCB ASSY.
10
LED head control
PCB failure
Is the problem solved
after replacing the LED
head control PCB
ASSY?
Yes Replace the LED head
control PCB ASSY.
11
Main PCB failure Is the problem solved
after replacing the main
PCB ASSY.
Yes Replace the main PCB
ASSY.
Step Cause Check
Result
Remedy
1 Registration rear
actuator catching
on some position
Does the registration
rear actuator move
smoothly?
No Correct catching of the
registration rear
actuator.
2 HVPS control PCB
failure
Is the problem solved
after replacing the HVPS
control PCB ASSY?
Yes Replace the HVPS
control PCB ASSY.
3 Main PCB failure Is the problem solved
after replacing the main
PCB ASSY?
Yes Replace the main PCB
ASSY.
Step Cause Check
Result
Remedy