Canon LBP-2000 Service Manual page 178

6 - 7 . 'LOAD <SIZE>IN <TRAYS>' is indicated although paper of the selected size is inside
the cassette.
<Possible Causes>
1 . The cassette detecting lever is damaged.
Action: Replace the lever.
2 . The cassette paper sensor is faulty.
Action: Replace the cassette paper sensor.
3 . The DC controller PCB is faulty.
Action: Replace the DC controller PCB.
4 . The video controller PCB is faulty.
Action: Replace the video controller PCB.
6 - 8 . 'LOAD <SIZE> IN MANUAL' is indicated although paper of the selected size is in the
multifeeder tray.
<Possible Causes>
1 . The multifeeder paper detecting lever is damaged.
Action: Replace the lever.
2 . The multifeeder paper sensor is faulty.
Action: Replace the multifeeder sensor.
3 . The DC controller PCB is faulty.
Action: Replace the DC controller PCB.
4 . The video controller PCB is faulty.
Action: Replace the video controller PCB.
6 - 9 . 'T ONER CART MISSING' is indicated in the presence of a cartridge.
<Possible Causes>
1 . The contact of the Printer and the contact of the cartridge are poor.
Action: If dirt is found, clean the contact. If the problem is not corrected, or deformation or
damage is found, replace the faulty part.
2 . The cartridge is faulty.
Action: Replace the cartridge.
3 . The DC controller PCB is faulty.
Action: Replace the DC controller PCB.
4 . The video controller PCB is faulty.
Action: Replace the video controller PCB.
CHAPTER 4
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