Canon LBP 2460 - B/W Laser Printer, Service Manual

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M-17 No Paper Pick-Up from Multi-purpose Tray
<Possible causes>
1. Video controller PCB is defective.
Action: Make a test print from the multi-purpose tray using the printer driver tester. If the
paper is picked up correctly, replace the video controller PCB.
2. Gears are damaged.
Action: Remove the manual feed pick-up unit and check the gears. Replace any damaged
gears.
3. The manual feed clutch is defective.
Action: Remove the manual feed pick-up unit and disconnect manual feed clutch connector
J1303 from the multi-purpose tray PCB. Measure the resistance between connectors
J1303-1 and J1303-2 on the cable side. If it is not about 155 , replace the manual
feed clutch.
4. The multi-purpose tray PCB is defective.
Action: Replace the multi-purpose tray PCB.
5. The DC controller PCB is defective.
Action: Replace the DC controller PCB.
M-18 No Paper Pick-Up from Upper or Lower Cassette
<Possible causes>
1. Video controller PCB is defective.
Action: Use the printer driver tester to make a test print from the cassette with a paper pick-
up failure. If the paper is picked up correctly from the cassette, replace the video
controller PCB.
2. Pick-up drive unit is damaged.
Action: Remove the pick-up unit and replace any damaged parts.
3. The pick-up motor is defective.
Action: Use the printer driver tester to rotate the paper pick-up motor. If it does not rotate,
replace it.
4. The cassette pick-up solenoid is defective.
Action: Remove the pick-up unit, and disconnect cassette pick-up solenoid connector J1203
from the pick-up PCB. Measure the resistance between connectors J1203-1 and
J1203-2 on the cable side. If it is not about 190 , replace the cassette pick-up
solenoid.
5. The pick-up PCB is defective.
Action: Replace the pick-up PCB.
6. The DC controller PCB is defective.
Action: Replace the DC controller PCB.
CHAPTER 4
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