Brother FAX-8650P - Manual (Page 168)

VI - 21
Trouble Action to be taken
(9) Faulty image registration
(Leading edge of image
starts too late on paper)
At the printer side
l Instruct the user not to load paper exceeding the limit mark
on the multi-purpose sheet feeder.
l Instruct the user to use the recommended types of paper.
l Replace the multi-purpose sheet feeder.
l Replace the gear drive unit.
(10) Image distortion or
improper image alignment
In communications
Check the following components:
- Error code displayed. (Refer to Section 1, ”ERROR
INDICATION" in this chapter.)
- NCU PCB
- Main PCB
At the scanner
Check the following components:
- Separator roller and its related sections
- Document feed rollers and their related gears
- Scanner motor and its harness
- Main PCB
At the printer side
l Check that the laser unit is secured with the screws without
looseness.
l Check the connection of the polygon motor flat cable on the
main PCB.
l Replace the laser unit.