19. Image quality problem
Field Service Ver. 1.0 Jun. 2008
326
T
roubleshooting
19.3.5
Scanner system: blurred image, blotchy image
A. Typical faulty images
B. Troubleshooting procedure
A02EF4C511DA
Step
Section
Check item
Result
Action
1
Original
Original does not lie flat.
YES
Change original.
2
ADF
ADF does not lie flat.
YES
Change ADF if it is deformed or
hinges are broken.
3
Original glass
Original glass tilts.
YES
Position original glass correctly.
Check original loading position.
4
Exposure unit
Exposure unit is not installed pre-
cisely.
YES
Reinstall.
5
The problem has been eliminated
through the checks of steps up to 4.
NO
Change exposure unit.
d-Color MF201
Service Manual Y109660-1