COPYRIGHT
©
1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 10 TROUBLESHOOTING
10–671. Pick-Up/Feeding Assembly
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
NO
NO
YES
YES
YES
NO
YES
YES
YES
NO
YES
NO
YES
NO
YES
NO
Does the jam occur when paper is 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, wavy, or the like?
Try paper of a type recommended by Canon.
Is the problem corrected?
Does the pick-up roller of the selected
cassette holder rotating during copying
operation?
Is the pick-up roller deformed or worn?
Is the separation roller deformed or worn?
Is the feeding roller deformed or worn?
Does the registration roller operate
normally?
Is the registration roller or the vertical path
roller deformed or worn?
Is the transfer charging assembly set
correctly?
Is there foreign matter on the paper guide of
the transfer charging assembly?
Make a copy in manual mode. Does the
main motor rotate?
Try paper recommended by Canon. Is the
problem corrected?
Go to step 8.
Set the cassette correctly.
Check the inside of the
cassette for foreign matter.
Replace the copy paper.
Instruct the user on the correct
method of storing copy paper.
Advise the user to use
recommended paper.
See “The pick-up operation
fails.”
Replace the pick-up roller.
Replace the separation roller.
Replace the feeding roller.
See “The registration roller
fails to rotate.”
Replace the roller.
Check the transfer charging
assembly.
Remove the foreign matter.
See “The pick-up operation
fails.”
Advise the user to use
recommended paper.
Check the pick-up roller for
deformation and wear.
Cassette
Copy paper
DC controller PCB,
Pick-up clutch
Pick-up roller
Separation roller
Feeding roller
Registration roller
drive assembly
Registration roller
vertical path roller
Transfer charging
assembly
Copy paper
Pick-up roller
Actions
ChecksStep
Cause Yes/No