Copy Paper Jam - Canon GP160F Service Manual

2 Feeder assembly
Cause Steps
1
Copy paper 2
Registration 3
roller
Registration 4
roller engage-
ment mecha-
nism
Feeder belt 5
drive mecha-
nism
Feeder belt 6
Connector con- 7
nection
Registration 8
clutch (CL301)
DC controller
PCB
3 Fixing/Delivery Area
Cause Steps
Fixing assem- 1
bly inlet guide
Connector con- 2
nection
Fixing assem- 3
bly
DC controller
PCB
COPYRIGHT © 1999 CANON INC.
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Checks
Is the registration roller rotating?
Is the trouble resolved when paper
recommended by Canon is used?
Check the surface of the registration
roller. Is it normal?
Is the nip width between the registra-
tion roller and the registration
engagement roller normal?
Is the feeder belt rotating?
Check that no dirt is stuck to the
feeder belt. Is it normal?
Check the wiring from connector
J307 on the DC controller PCB to
the registration clutch (CL302). Is it
normal?
Is the trouble resolved when the reg-
istration clutch (CL301) is replaced?
Checks
Check that there are no toner stains
on the fixing assembly inlet guide. Is
it normal?
Check the connection of connector
J308 on the DC controller PCB. Is it
normal?
Is the trouble resolved when the fix-
ing assembly is replaced?
CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 13 TROUBLESHOOTING
Yes/No Action
NO Check from Item 7.
YES Explain to the user to
use the recommended
paper.
NO Clean the dirt. If the
roller is worn or mis-
shapen, replace it.
NO Check if the engage-
ment spring is
stretched out.
NO Check if the feeder belt
drive gear is damaged.
NO Clean the belt surface.
If it is stretched out or
cracked, replace the
feeder unit.
NO Reconnect the connec-
tors.
YES End
NO Replace the DC con-
troller PCB.
Yes/No Action
YES Clean the inlet guide.
NO Reconnect the connec-
tor properly.
YES End
NO Replace the DC con-
troller PCB.
13-37