COPYRIGHT
©
2001 CANON INC.
2000 2000 2000 2000
CANON CLC5000 REV.0 JAN 2001
CHAPTER 5 TROUBLESHOOTING IMAGE FAULTS/MALFUNCTIONS
5-91
3.4.9 The copy has white spots (horizontal : the main scanning direction).
Rail on mirror mount, Cable of original exposure system
1) Generate a halftone test print (PG-TYPE=5). Is the problem noted?
If all colors, go to step 6.
If a specific color, go to the next step.
NO: • Clean the rail of the mirror mount.
• Check the cable of the scanning system.
Developing assembly
2) Check the developing cylinder. Is it normal?
NO: Replace the developing assembly.
Transfer unit
3) Is the locking mechanism for the transfer blade normal?
NO: Remove the cause.
4) Does the transfer blade have warping, bending, or a fault?
YES: Replace the transfer blade.
5) Does the transfer belt have scratches, bending, or a fault?
YES: Replace the transfer belt.
Fixing roller
Copy paper
6) Is offset noted on the surface of the fixing roller?
YES: Check the fixing roller (upper, lower) for deformation.
NO: Is the copy paper moist?
Try different paper; advise the user on the correct method of stor-
ing paper.
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