Canon LBP-2000 Service Manual page 180

6 - 1 3 . 'PAPER JAM' is indicated in the absence of a jam, and the Printer fails to be ready.
<Possible Causes>
1 . The registration paper sensor lever does not move smoothly. Or, it is damaged.
Action: Mount it so that it moves smoothly. If damaged, replace it.
2 . The delivery sensor lever does not move smoothly. Or, it is damaged.
Action: Mount it so that it moves smoothly. If damaged, replace it.
3 . The registration paper sensor (PI101) is faulty.
Action: Replace the sensor.
4 . The delivery sensor (PI103) is faulty.
Action: Replace the sensor.
5 . The DC controller PCB is faulty.
Action: Replace the DC controller PCB.
6 . The video controller PCB is faulty.
Action: Replace the video controller PCB.
6 - 1 4 . 'PS OPTION ERROR' is indicated after replacing the optional PS ROM.
<Possible Causes>
1 . The video controller PCB is faulty.
Action: Turn off the power switch, and then turn it on. If the problem is not corrected, mount
the optional PS ROM once again. If the problem still is not corrected, replace the video
controller PCB.
6 - 1 5 . 'OPTION RAM ERROR' is indicated after replacing the optional RAM.
<Possible Causes>
1 . The video controller PCB is faulty.
Action: Turn off the power switch, and then turn it on. If the problem is not corrected, mount
the optional RAM once again. If the problem is still not corrected, replace the video
controller PCB.
6 - 1 6 . 'OPTION ROM ERROR' is indicated after replacing the optional ROM.
<Possible Causes>
1 . The video controller PCB is faulty.
Action: Turn off the power switch, and then turn it on. If the problem is not corrected, mount
the optional ROM once again. If the problem is still not corrected, replace the video
controller PCB.
CHAPTER 4
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