Scanner System: Color Spots - Olivetti d-Color MF201 Service Manual

19. Image quality problem
19.3.3

Scanner system: color spots

A. Typical faulty images
B. Troubleshooting procedure
Step Section
1 Original
2 ADF
Original glass
3
4
324
AA
Check item
Original is damaged or dirty.
Original pad is dirty.
Original glass is dirty.
The problem has been eliminated
through the checks of steps up to 3.
Service Manual
Field Service Ver. 1.0 Jun. 2008
Result Action
YES Change original.
YES Clean.
YES Wipe the surface clean with a
soft cloth.
NO Change exposure unit.
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