Service manual

COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 13 TROUBLESHOOTING
13-27
3 Paper does not pick up (Main unit cassette)
Cause
Cassette
attachment
Paper set con-
dition
Pick-up roller
Pick-up drive
assembly
gears
Faulty connec-
tor connection
Pick-up sole-
noid
DC controller
PCB
Steps
1
2
3
4
5
6
7
8
Yes/No
YES
NO
NO
NO
YES
YES
NO
YES
NO
Action
Refer to the “No paper
message does not go
out” section.
Check from Item 6.
Reset the cassette.
Reset the paper.
Replace the pick-up
roller.
Replace damaged
gears.
Reconnect the connec-
tor.
End
Replace the DC con-
troller PCB.
Checks
Is the “No paper message” lit?
Is the pick-up roller rotating?
Is the cassette set properly?
Has too much paper been set in the
cassette? Has the paper been set
properly?
Is the trouble caused by wear, abra-
sion or cracking on the pick-up roller
surface?
Is the trouble caused by cracking or
damage to the gears in the pick-up
drive assembly?
Is connector J306 on the DC con-
troller PCB properly connected?
Is the trouble resolved when the
pick-up solenoid is replaced?
Download Free Service Manual at http://printer1.blogspot.com