Canon CLBR 460ps Service Manual page 287

Action: Check the paper feeder feed roller drive gears and the drive transmission gears in
the printer side. Replace any damaged or worn gears. If the paper feeder is con-
nected via the duplexing unit, check the drive transmission gears in the duplexing
unit.
4) Poor contact between the paper feeder pick-up solenoid and paper feeder PCB
Action: Reconnect the connectors between the paper feeder pick-up solenoid and paper
feeder PCB.
5) Poor contact between the paper feeder and printer
Action: Reconnect the connectors between the paper feeder and printer. Replace any dam-
aged connectors.
6) Defective paper feeder pick-up solenoid
Action: Disconnect the paper feeder pick-up solenoid connector J3003 on the paper feeder
PCB. Measure the resistance between the cable side connector J3003-2 (OPCLDRV)
and J3003-1 (+24VA). If it is not about 160 , replace the paper feeder pick-up sole-
noid.
7) Defective paper feeder PCB
Action: Replace the paper feeder PCB.
8) If the paper feeder is connected via the duplexing unit, execute step 6) and 14) in "3-5
duplexing unit block".
9) Defective DC controller PCB
Action: Replace the DC controller PCB.
CHAPTER 4
4 - 33