Ir System: White Lines In Cd, White Bands In Cd, Colored Lines In Cd, And Colored Bands In Cd - Konica Minolta Bizhub C350 Service Manual

bizhub C350 Field Service Ver. 2.0 April 2004
4.3.2 IR System: white lines in CD, white bands in CD, colored lines in CD, and
colored bands in CD
A. Typical Faulty Images
White lines in CD
4036fs4025c0
B. Troubleshooting Procedure
Step Section
1 Original
2 Original Cover
Original Glass
3
Machine Adjust
→ Scanner Area
→ Top Image
4
(Tech. Rep.
Mode)
5
White bands in CD
4036fs4026c0
Check Item
Original is damaged or dirty.
Original Pad is dirty.
Original Glass is dirty.
The adjustment value for Top
Image falls within the specified
range.
The problem has been eliminated
through the checks of steps up to 4.
4-57
Image quality problem
Color lines in CD
4036fs4027c0
Result
YES Change original.
YES Clean.
Wipe the surface clean with a
YES
soft cloth.
Readjust.
NO
Change Scanner Assy.
NO
Change CCD Unit.
Color bands in CD
4036fs4028c0
Action