Pick-Up Assembly; Copy Paper Jams - Canon NP6330 Service Manual

CHAPTER 11 TROUBLESHOOTING
1

Pick-up assembly

Cause Step
1
Cassette 2
Copy paper 3
4
5
DC controller 6
PCB, pick-up
clutch
Pick-up roller 7
8
Copy paper 9
Pick-up roller,
separation pad,
leaf spring
11-108
COPYRIGHT © 1997 CANON INC.
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Checks
Does it occur when the cassette is
used?
Is the cassette set properly?
Try a different cassette. Is the
problem corrected?
Is the copy paper curled or wavy?
Try paper of a type recommended
by Canon. Is the problem
corrected?
Does the pick-up roller of the
selected cassette rotate during
copying operation?
Is the pick-up roller deformed or
worn?
Try manual copying. Does the
main motor start to rotate?
Try paper of a type recommended
by Canon. Is the problem
corrected?
YES/NO
NO
NO
YES
YES
YES
NO
YES
NO
YES
NO
CANON NP6330 REV.0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Action
Go to step 8.
Set it properly.
Check the inside of the
cassette for foreign
matter.
Replace the copy paper;
advise the user on the
correct method of
storage.
Advise the user to use
recommended paper.
See "Pick-up fails."
Replace the pick-up
roller.
See "Pick up
fails.(multifeeder)"
Advise the user to use
recommended paper.
1. Check the pick-up
roller for wear and
deformation.
2. Check the separation
pad.
3. Check the leaf
spring.