CHAPTER 13 TROUBLESHOOTING
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2002 CANON INC. 2000 CANON iR1600/iR2000 REV.1 JAN. 2002
13-28
3.3.12 The output has white strips. (cross-feeding direction)
Paper
1) Try paper fresh out of package. Is the problem corrected?
YES: 1. The paper may be moist. Advise the user on the correct method
of storing paper.
2. Advise the user that the use of paper not of a recommended type
may not bring the best results.
Machine state
2) Execute ‘PRINT’. Is the output image normal? (See 5.5.5 of Chap-
ter 13.)
YES: Go to step 5.
Developing assembly
3) Is there a scratch on the surface of the developing assembly?
YES: Replace the developing assembly.
Drum unit
4) Is there a scratch in the surface of the photosensitive drum?
YES: Clean the drum. If the fault is not corrected, replace the drum unit.
Contact sensor
5) Clean the rod lens array of the contact sensor. Is the fault cor-
rected?
YES: End.
Gain auto adjustment
6) Execute gain auto adjustment. Is the fault corrected? (See 2.3.2 of
Chapter 13.)
YES: End.
CS unit
7) Are the CS unit and the spacers mounted correctly? Also, are the
spacers free of wear?
YES: Replace the contact sensor.
NO: Correct the fault. If the fault cannot be corrected, replace the faulty
part.
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