Canon LBP-2000 Service Manual page 168

CHAPTER 4
3. The lever of the multifeeder sensor does not move smoothly, or is damaged or deformed.
Action: Fit it so that it moves smoothly. If damaged or deformed, replace it.
4. The position of the cam (manual feed roller) is wrong.
Action: Check to be sure that the manual feed roller is correctly mounted. (See IV-B-2 'Re-
moving the Manual Feed Pickup Roller' in Chapter 3.)
5. The gear is damaged.
Action: Remove the multifeeder pickup assembly, and check the gears. Replace any damaged
gear.
6. The multifeeder pickup solenoid (SL101) is faulty.
Action: Disconnect the connector J106 of the multifeeder pickup solenoid. Measure the re-
sistance between the connectors J905-1 and J906-2 on the harness side. If not about
65 ±6.5Ω replace the multifeeder pickup solenoid.
7. The DC controller PCB is faulty.
Action: Replace the DC controller PCB.
3-2. Cassette pickup block
<Possible Causes>
1. The paper is bent.
Action: Replace the paper.
2. The cassette pickup roller or the cassette separation pad is worn or deformed.
Action: If wear or deformation is found, replace it. Be sure to replace the cassette pickup
roller and the cassette separation pad at the same time.
3. A part in the drive mechanism of the pickup assembly is damaged.
Action: Remove the drive assembly, and replace any damaged part.
4. The cassette pickup clutch (CL101) is faulty.
Action: Disconnect the connector J906 of the cassette pickup clutch. Measure the resistance
between the connectors J906-1 and J906-2 on the harness side. If not about 144
±14.4Ω replace the cassette pickup clutch.
5. The DC controller PCB is faulty.
Action: Replace the DC controller PCB.
3-3. Paper feeder pickup block
<Possible Causes>
1. The paper is bent.
Action: Replace the paper.
2. The cassette pickup roller or the cassette separation pad is worn or deformed.
Action: If wear or deformation is found, replace it. Be sure to replace the cassette pickup
roller and the cassette separation pad at the same time.
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