Pickup Fails (Multifeeder) - Canon iR105 Service Manual

4.1.76 Pickup fails (multifeeder)

Wiring
1) Is the connector (to the machine) of the multifeeder connected cor-
NO:
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2) Is the leading edge of paper as far as the registration roller?
YES: See "The registration roller fails to rotate."
Pickup roller, Pickup/feeding roller, Separation roller
3) Is the orientation of the pickup roller, pickup/feeding roller, and
NO:
Manual feed tray paper sensor (PS17)
4) Execute the following service mode. Does the bit change from 0 to 1
NO:
Manual feed tray pickup clutch (CL7)
5) Execute the following in service mode. Is the sound of the clutch
NO:
Manual feed tray feeding clutch (CL18)
6) Execute the following. Is the sound of the clutch (CL18) operaing
NO:
COPYRIGHT© 2001 CANON INC.
rectly?
Connect it correctly.
separation roller correct?
Mount them correctly.
when paper is placed in the multifeeder assembly?
COPIER>I/O>DC-CON>P004 (bit 12)
Check the wiring and the sensor flag; if normal, replace the sensor
(PS17). (DC controller PCB J510-B7, B8, B9)
(CL7) operating heard?
COPIER>FUNCTION>PART-CHK>CL1
COPIER>FUNCTION>PART-CHK>CL-ON
Check the wiring; if normal, replace the clutch (CL7). (DC control-
ler PCB J513-A8, A9)
heard?
COPIER>FUNCTION>PART-CHK>CL16
COPIER>FUNCTION>PART-CHK>CL-ON
Check the wiring; if normal, replace the clutch (CL18). (DC con-
troller PCB J513-A6, A7)
2000 2000 2000 2000
CHAPTER 6 TROUBLESHOOTING
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CANON iR105 REV.0 JULY 2001
6-129