19. Image quality problem
Field Service Ver. 1.0 Jun. 2008
324
T
roubleshooting
19.3.3
Scanner system: color spots
A. Typical faulty images
B. Troubleshooting procedure
A02EF4C509DA
AA
Step
Section
Check item
Result
Action
1
Original
Original is damaged or dirty.
YES
Change original.
2
ADF
Original pad is dirty.
YES
Clean.
3
Original glass
Original glass is dirty.
YES
Wipe the surface clean with a
soft cloth.
4
The problem has been eliminated
through the checks of steps up to 3.
NO
Change exposure unit.
d-Color MF201
Service Manual Y109660-1