Epson AcuLaser C8500 Service Manual page 476

EPSON AcuLaser C8500
FIP-3.5 White or Too Light in Paper Transport and Vertical FIP-3.5 White or Too Light in Paper Transport and Vertical FIP-3.5 White or Too Light in Paper Transport and Vertical FIP-3.5 White or Too Light in Paper Transport and Vertical
Directions Directions Directions Directions
Description / initial check
White
The picture image has a white streak in the paper transport and vertical
directions or is too light.
*Initial check
Use of parts of incorrect specifications, improper mounting, damage,
distortion, dirt, adherence of foreign matter?
*Main parts to check
Developer Assy, DRUM CARTRIDGE, 2ND BTR, HEAT ROLL
PRESSURE ROLL, FEED ROLL ASSY
Ite
Check
m
Cyclic check
1
Is the problem cyclical?
Faulty print controller
2
No longer occurs when print controller is
replaced?
Troubleshooting
Treatment (when there is a
problem)
Replace the concerned
part(s).
*You can tell from diameter
of roll an interval that
appears on print.
Replace print controller.
Picture Quality FIP
Revision C
5-124