Konica Minolta bizhub C200 Service Manual page 417

19. Image quality problem
(2) When the ADF is used
Step Section
1 Original
2 ADF reading section
Shading sheet
3
Mirror, lens, expo-
sure lamp, and reflec-
4 tors
Machine Adjustment
→ Scan Area → Feed
5
adjustment
(Service Mode)
6
376
Check item
Original is damaged or dirty.
Glass is dirty.
Shading sheet is dirty.
Mirror is dirty
Lens is dirty
Exposure lamp is dirty
Reflectors are dirty
The adjustment value for [Feed]
falls within the specified range.
The white lines/bands or colored
lines/bands are blurry.
Field Service Ver. 2.0 Dec. 2008
Result Action
YES Change original.
YES Clean.
YES Wipe the surface clean with
a soft cloth.
YES Clean.
YES Clean.
YES Clean.
YES Clean.
NO Readjust.
YES Change exposure unit.