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COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 13 TROUBLESHOOTING
13-38
C.
Faulty feeding
1
Double feeding
Cause
Paper amount
Paper condition
Cassette claw
Separation
roller
Torque limiter
Multifeeder
separation pad
Separation pad
pressure spring
Steps
1
2
3
4
5
6
Yes/No
YES
YES
NO
YES
NO
YES
YES
NO
Action
Explain the cassette
paper capacity to the
user.
The paper may be
damp. Instruct the user
on storage methods.
Check from Item 6.
Repair the claw. If the
problem is not
resolved, replace the
cassette.
Clean the roller. If the
trouble is not resolved,
replace the separation
roller.
Replace the torque lim-
iter.
Replace the pad.
Check if the separation
pad pressure spring is
misshapen.
Checks
Is the cassette overloaded with
paper (over 250 sheets)?
Is the trouble resolved when new
paper is used?
Does double feeding occur at cas-
sette pick-up?
Is the cassette separation claw mis-
shapen?
Check the surface of the separation
roller. Is it normal?
Is the surface of the multifeeder sep-
aration pad or the separation sub-
pad worn?
2.
Creases
Cause
Pick-up assem-
bly
Paper condition
Fixing unit inlet
guide
Fixing unit
Steps
1
2
3
4
Yes/No
YES
YES
YES
YES
NO
Action
Check the feeding
assembly rollers and
registration rollers.
The paper may be
damp. Instruct the user
on storage methods.
Request that the user
use the recommended
paper.
Clean the inlet guide.
Replace the fixing unit.
Checks
Turn off the power source as the
paper is passing through the feeder
assembly. Are there any creases or
skewing on the copy paper at this
time?
Is the trouble resolved when new
paper is used?
Is the trouble resolved when paper
recommended by Canon is used?
Is there any toner or debris on the
fixing unit inlet guide?
Содержание GP160
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