E051 - Canon iR105 Service Manual

4.1.17 E051

Horizontal registration home position sensor (PS18)
1) Is the horizontal registration home position sensor (PS18) normal?
NO:
Horizontal registration motor M15)
2) Disconnect J3603 of the stackless feed driver PCB. Is there electri-
NO:
anual feed tray open/closed detecting switch (MSW5)
3) Is the mounting of the manual feed tray open/closed detecting
NO:
Stackless feed driver PCB, DC controller PCB
4) Try replacing the stackless drive PCB. Is the problem corrected?
YES: end.
NO:
COPYRIGHT© 2001 CANON INC.
Replace PS18.
cal continuity between the following pins of the jacks on the motor
side?
J3603-B4 and -B5 and -B3
J3603-B2 and -B6 and -B1
Replace the horizontal registration motor (M15).
switch (MSW5) normal?
Correct the mounting.
Replace the DC controller PCB.
2000 2000 2000 2000
CHAPTER 6 TROUBLESHOOTING
CANON iR105 REV.0 JULY 2001
6-95