The Copy Has White Spots (Trailing Center) - Canon CLC5000 Service Manual

3.4.11 The copy has white spots (trailing center).

A trailing center white spot is a type of transfer failure and is found at the center of the
trailing edge of a copy.
Copy paper
Trailing Center White Spot
A trailing center white spot is caused by warping of paper. The leading edge of such pa-
per is retained on the transfer belt without uniform contact, causing its trailing edge to warp.
This problem tends to occur particularly when copying on the second side of a two-sided
copy in a high humidity environment.
1) Does the problem occur only when copying on special paper or
YES: Go to step 3.
2) Is the copy paper wavy because of humidity?
NO:
Cassette heater
Transfer belt
3) Is the cassette heater operating normally?
NO:
YES: Check the transfer belt; replace it if dents exist in the surface.
COPYRIGHT © 2001 CANON INC.
CHAPTER 5 TROUBLESHOOTING IMAGE FAULTS/MALFUNCTIONS
thick paper?
Replace the paper.
See "The cassette heater fails to operate."
2000 2000 2000 2000
F05-304-02
CANON CLC5000 REV.0 JAN 2001
Trailing center spot
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