Service manual

COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 13 TROUBLESHOOTING
13-17
B. Treatment procedures by faulty image type
Before looking for the cause of printing failure, check that the user is using recom-
mended paper which is stored in a proper environment. When printing failure can be
resolved by use of the recommended paper which is stored in a proper environment,
advise that the user use the recommended paper or instruct the user in storage meth-
ods for recording paper.
Figure 13-201
paper
feed
direction
too light
too dark
blank solid black
polka dots soiled back
vertical lines
fuzzy black lines
dirt blank areas
white vertical line
(white line)
white horizontal line
(white line)
leading edge
displacement
image distortion blurring partial image shrinkage/image stretching
(NB)
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