The Output Has Black Lines (Vertical); The Output Has Black Lines (Horizontal); The Output Has White Spots (Vertical); The Output Has White Lines (Vertical) - Canon iR1200 Series Service Manual

CHAPTER 7 TROUBLESHOOTING

3.1.7 The output has black lines (vertical).

3.1.8 The output has black lines (horizontal).

Fixing inlet guide
1) Clean the fixing inlet guide. Is the problem corrected?
YES: End.
Drum unit
2) Try replacing the drum unit. Is the problem corrected?
YES: End.
Developing unit, Fixing assembly
3) Try replacing the developing unit. Is the problem corrected?
YES: End.
NO:

3.1.9 The output has white spots (vertical).

3.1.10 The output has white lines (vertical).

General conditions
1) Execute 'PRINT test'. Is the output image normal? (See 3.21.5 of
YES: Go to step 5).
NO:
Transfer charging roller
2) Is the transfer charging roller soiled?
YES: Clean it. If the problem is not corrected, replace it.
Drum unit
3) Try replacing the drum unit. Is the problem corrected?
YES: End.
Developing unit, Fixing assembly
4) Try replacing the developing unit. Is the problem corrected?
YES: End.
NO:
Contact sensor drive belt, Contact sensor drive rail
5) Is the contact sensor drive belt normal?
YES: Clean the surface of the contact sensor drive rail with alcohol;
NO:
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COPYRIGHT © 2002 CANON INC.
Replace the fixing assembly.
Chapter 2.)
Go through steps 2) through 4).
Replace the fixing assembly.
thereafter, apply a small amount of lubricant (MOLYKOTE EM-
50L).
Replace the contact sensor drive belt.
2000 2000 2000 2000 CANON iR1200/iR1300 Series REV. 0 AUG. 2002