Canon DU7-1100-010 Printer User Manual


 
CHAPTER 13 TROUBLESHOOTING
13-108
COPYRIGHT
©
1999 CANON INC. CANON imageRUNNER 600 REV.1 JAN. 2000 PRINTED IN U.S.A.
68 Pickup operation fails. (multifeeder pickup)
Step
1
2
3
4
5
6
7
8
Action
Connect the connector
properly.
See "The registration
roller fails to rotate."
Mount the roller(s)
correctly?
Check the wiring and
the sensor flag; if
normal, replace the
sensor (PS17); i.e., DC
controller PCB J510-
B7, -B8, -B9.
Check the wiring; if
normal, replace the
clutch (CL7); i.e., DC
controller PCB J513-
A8, -A9.
Check the wiring; if
normal, replace the
clutch (CL18); i.e., DC
controller PCB J513-
A6, A7.
Check the wiring and
the link; if normal,
replace the solenoid
(SL6); i.e., DC
controller PCB J510-
10, -11, -12.
End.
Checks
Is the connector of the multifeeder (to the
body) connected properly?
Is the leading edge of the copy paper as
far as the registration roller?
Are the pickup roller, pickup/feeding
roller, and separation roller mounted in
their correct orientation?
Execute the following service mode, and
place paper in the multifeeder. Does the
bit change from 0 to 1?
bit 0 of COPIER>I/O>IP>POC1
Execute the following in service mode. Is
the sound of the clutch (CL7) operating
heard?
COPIER>FUNCTION>PART-CHK>CL1
Execute the following service mode. Is the
sound of the clutch (CL18) operating heard?
COPIER>FUNCTION>PART-CHK>CL16
Execute the following service mode. Does
the multifeeder pickup roller move up and
down?
COPIER>FUNCTION>PART-CHK>SL5
(up)
COPIER>FUNCTION>PART-CHK>SL6
(down)
Replace the DC controller PCB. Is the
problem corrected?
Yes/No
NO
YES
NO
NO
NO
NO
NO
YES
Cause
Wiring
Pickup roller,
Pickup/feeding
roller,
Separation roller
Multifeeder
paper sensor
(PS17)
Multifeeder
feeding clutch
(CL7)
Multifeeder
feeding clutch
(CL18)
Multifeeder
pickup solenoid
(SL6)
DC controller
PCB