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1. Pick-Up Assembly
COPYRIGHT
©
1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
10-79
CHAPTER 10 TROUBLESHOOTING
Cause
Cassette
Copy paper
DC controller
PCB, Pick-up
switch
Pick-up roller
Registration
roller drive
assembly
Registration
roller, vertical
path roller
Copy paper
Pick-up roller
Checks
Did the jam occur when the paper
was picked up from the cassette?
Is the cassette set in the copier
correctly?
Try a different cassette. Is the
problem corrected?
Is the copy paper curled or wavy?
Try Canon-recommended paper.
Is the problem corrected?
Does the pick-up roller of the
selected cassette holder rotate
during copying operation?
Is the pick-up roller deformed or
worn?
Try manual copying. Does the
main motor rotate?
Does the registration roller
operate normally?
Is the registration roller or the
vertical path roller deformed or
worn?
Try Canon-recommended paper.
Is the problem corrected?
Step
1
2
3
4
5
6
7
8
9
10
11
Results
NO
NO
YES
YES
YES
NO
YES
NO
NO
YES
YES
NO
Action
Go to step 8.
Set the cassette
correctly.
Check the inside of the
cassette for foreign
matter.
Replace the copy paper;
advise the user for the
correct method of storing
paper.
Advise the user to use
recommended paper.
See “The pick-up
operation fails.”
Replace the pick-up
roller.
See “The pick-up
operation fails.”
See “The registration
roller fails to rotate.”
Replace the deformed or
worn roller.
Advise the user to use
recommended paper.
Check the pick-up roller
for wear or deformation.