Troubleshooting Image Faults - Canon CP660 Service Manual

CHAPTER 10 TROUBLESHOOTING
C.

Troubleshooting Image Faults

No. Item
1 Light
2 Dark
3 Blank
4 Solid black/solid color
5 Soiled image/soiled back
6 Vertical band/vertical line (sub
scanning direction)
7 White bands/white lines (verti-
cal; sub scanning direction)
8 Horizontal bands/horizontal
lines (main scanning direction)
9 White bands/white lines (hori-
zontal; main scanning direction)
10 Absence of specific color
11 White spot
12 Fixing fault
13 Distorted image/displaced color
14 Uneven image
15 Dots
16 Ghost
17 Soiling (double-sided print)
10-14
COPYRIGHT © 1999 CANON INC.
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Remarks
The output image is undoubtedly too light.
The output image is undoubtedly too dark.
The printer unit fails to generate images.
The printer unit generates a solid black or
an image in solid color.
The face/back of print paper is soiled.
The print has vertical lines (sub scanning
direction).
The print has white vertical lines (sub scan-
ning direction).
The print has vertical lines (main scanning
direction).
The print has white vertical lines (main
scanning direction).
The print has a missing color (specific
color).
The print has white spots.
The print has an inadequately fused toner
image.
The print has a distorted or color-displaced
image.
The print has smudged or uneven image.
The print has an image with dots.
The print has a (positive) ghost image.
The face/back of print paper is soiled (when
made in double-sided printing mode).
Table 10-201
CANON 660/2100 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page
10-15
10-17
10-17
10-18
10-19
10-22
10-22
10-23
10-23
10-23
10-24
10-24
10-25
10-26
10-27
10-27
10-27