Canon NP6317 Service Manual page 221

1. Jamming in the paper pick-up area
Cause/Problem
Procedure
area
Cassette 1
2
Copy paper 3
DC controller 4
PCB, Pick-up
roller clutch
Pick-up roller 5
Pre-registra- 6
tion paper
sensor (Q2)
Feed roller
and paper
guide plate
COPYRIGHT © 1999 CANON INC.
Check
Is the cassette pushed fully into the copier?
Does the problem disappear when a differ-
ent casssette is used?
Is the copy paper curled or creased?
Does the pick-up roller rotate during the
copying cycle?
Are the pick-up roller shoes deformed or
worn?
Is the pre-registration paper sensor (Q2)
correctly?
CANON NP6317 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 10 TROUBLESHOOTING
Result
No Push the cassette in fully.
Yes 1.Check the paper hold-
down tabs.
2.Check the strength of
the paper-lifting
springs.
Yes 1.Change the copy pa-
per.
2.Instruct the user about
the correct method of
storing paper.
No Refer to the sub-section
"Paper is not picked up."
Yes Replace the pick-up roll-
ers.
No Replace the pre-registra-
tion paper sensor (Q2).
Yes 1.Check each feed roller
for wear and deforma-
tion.
2.Check the paper guide
plate for burrs or de-
formation.
Action
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