Canon GP160DF Service Manual page 270

CHAPTER 13 TROUBLESHOOTING
Cause Steps
13
Multifeeder 14
pick-up roller
Lifting plate 15
retaining cam
Multifeeder 16
pick-up drive
assembly gear
Connector con- 17
nection
Multifeeder 18
pick-up sole-
noid (SL302)
DC controller
PCB
13-36
Checks
Is the multifeeder pick-up roller rotat-
ing?
Check the surface of the multifeeder
pick-up roller. Is it normal?
Does the multifeeder lifting plate rise
as the multifeeder pick-up roller
rotates?
Are the multifeeder pick-up drive
assembly gears damaged?
Check the wiring from connector
J307 on the DC controller PCB to
the multifeeder pick-up solenoid
(SL302). Is it normal?
Is the trouble resolved when the mul-
tifeeder pick-up solenoid (SL302) is
replaced?
COPYRIGHT © 1999 CANON INC.
Yes/No
NO
NO
NO
YES
NO
YES
NO
CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Action
Check from Item 16.
Clean the roller. If it is
worn or misshapen,
replace it.
Check that the lifting
plate retaining cam isn't
out of alignment.
Replace damaged
gears.
Reconnect the connec-
tors.
End
Replace the DC con-
troller PCB.