Konica Minolta bizhub C200 Service Manual page 418

Field Service Ver. 2.0 Dec. 2008
19.3.2 Scanner system: white lines, white bands, colored lines and colored bands
in main scan direction
A. Typical faulty images
White lines in main
scan direction
B. Troubleshooting procedure
Step Section
1 Original
2 ADF
Original glass
3
Machine Adjust-
ment → Scan
Area → Feed
4
adjustment
(Service Mode)
5
White bands in main
scan direction
Check item
Original is damaged or dirty.
Original pad is dirty.
Original glass is dirty.
The adjustment value for [Feed]
falls within the specified range.
The problem has been eliminated
through the checks of steps up to 4.
19. Image quality problem
Color lines in main scan Color bands in main
direction scan direction
Result
YES Change original.
YES Clean.
Wipe the surface clean with a
YES
soft cloth.
Readjust.
NO
Change exposure unit.
NO
A02EF4C508DA
Action
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