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

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Action: Check whether any gears are worn or missing.
3. The fixing entrance guide is dirty, damaged, or clogged with toner.
Action: Clean the guide.
4. The fixing separation guide is dirty, damaged, or clogged with toner.
Action: Clean the guide.
5. The fixing separation claw is worn or damaged.
Action: Replace the claw.
6. The upper or fixing lower roller is deformed or damaged.
Action: Replace deformed or damaged rollers.
7. The nip width of the fixing lower unit is not correct.
Action: Replace the fixing unit.
8. The fixing unit delivery sensor arm does not move smoothly or is damaged.
Action: Adjust the arm so that it moves smoothly. If it is damaged, replace it.
9. The fixing unit delivery roller is worn.
Action: Replace the fixing unit delivery roller.
10. The fixing unit delivery roller does not rotate smoothly.
Action: Check whether any gears are worn or missing.
11. The face-down delivery roller does not rotate smoothly.
Action: Check whether any gears are worn or missing.
J-3 Duplexing Unit
<Possible causes>
1. Foreign matter is adhering to the feed guide or it is burred.
Action: Remove any foreign matter. If the guide is burred, replace it.
2. The switchback roller, feed roller, or duplex feed roller is worn or deformed.
Action: Replace worn or deformed rollers.
3. Paper dust or dirt is adhering to rollers.
Action: Remove the paper dust or dirt.
4. Gears are worn or damaged.
Action: Replace any worn or damaged gears.
5. Sensor arms do not move smoothly or are damaged.
Action: Adjust the arm so that they move smoothly. If damaged, replace them.
6. Duplexing unit sensors are defective.
Action: Check the state of each sensor using the printer driver tester. Replace any defective
sensors.
CHAPTER 4
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