Canon iR105 Series, Service Manual

Page: 474 / 1029

COPYRIGHT© 2001 CANON INC. 2000 2000 2000 2000 CANON iR105 REV.0 JULY 2001
CHAPTER 6 TROUBLESHOOTING
6-142
4.1.93 The deck lifter fails to move up (side paper deck)
Side paper deck
1) It the deck mounted correctly?
NO: Mount the deck correctly.
Lifter cable
2) Is the lifter cable strung correctly?
NO: String the lifter cable correctly.
Spring, Lever
3) Push up the pickup roller releasing lever with your finger. Does the
pickup roller move down?
NO: Remove the pickup assembly, and check the spring and lever.
Deck lifter motor (M102)
4) Does the deck lifter motor rotate?
YES: Go to step 6.
Deck lifter driver PCB, Deck open detecting switch (SW101)
5) Does the voltage between J109-3 on the side deck driver PCB and
GND (-) change from about 0 to 5 V when the deck is closed?
NO: Replace the side deck driver PCB.
YES: Check the wiring up to the switch; if normal, replace the switch.
Deck lifer lower limit switch (SW102), Side deck driver PCB
6) Is the voltage between J107-8 (-) note side deck driver PCB and
GND (-) as follows?
• When the deck is opened, 0 V.
• When the deck is closed, 5 V.
YES: Check the lever and wiring; if normal, replace the sensor.
NO:
Replace the side deck driver PCB.