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COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 13 TROUBLESHOOTING
13-22
6
Soiled back
Cause
Dirt in paper
feed path
Transfer guide
Static charge
eliminator
Re-charging
eliminator
Transfer charg-
ing roller
Registration
roller
Fixing assem-
bly inlet guide
Steps
1
2
3
4
5
6
7
Yes/No
YES
YES
YES
YES
YES
YES
YES
NO
Action
Clean the paper feed
path.
Clean the transfer
guide.
Clean the static charge
eliminator.
Clean the re-charging
eliminator.
Clean the transfer
charging roller.
Clean the registration
roller.
End
Replace the fixing
assembly.
Checks
Check the paper feed path. Is it
dirty?
Is there toner on the surface of the
transfer guide?
Is there toner on the static charge
eliminator?
Is there toner on the re-charging
eliminator
Is the dirt’s cycle at an approximately
54mm pitch?
Is the dirt’s cycle at an approximately
52mm pitch?
Is the trouble resolved when the fix-
ing assembly inlet guide is cleaned?
7
Black Lines (thin vertical lines)
Cause
Scanner
assembly
CCD unit
Cartridge (pho-
tosensitive
drum)
Primary charg-
ing roller
Dirty fixing
assembly inlet
guide
Fixing
assembly
Steps
1
2
3
4
5
Yes/No
YES
YES
YES
YES
YES
NO
Action
Clean the copyboard
glass, mirrors 1 to 4
and the lens.
End
Replace the cartridge.
End
End
Replace the fixing
assembly.
Checks
Make a test print following the direc-
tions on page 13-120. Is the output
image normal?
Is the trouble resolved when the
CCD unit is replaced?
Remove the cartridge and check the
surface of the photosensitive drum.
Are there scratches in the drum’s
direction of rotation?
Is the trouble resolved when the car-
tridge is replaced?
Is the trouble resolved when the fix-
ing assembly inlet guide is cleaned?
Содержание GP160
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Страница 446: ...PRINTED IN JAPAN IMPRIME AU JAPON 0299AB1 51 1 This publication is printed on 70 reprocessed paper ...
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Страница 656: ...COPYRIGHT C 1999 CANON INC CANON 2220 2210 2200 160 3000 REV 1 FEB 1999 PRINTED IN JAPAN IMPRIME AU JAPON III 1 ...