Canon LBP-800, Руководство по обслуживанию

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2) Defective paper delivery sensor lever
Action: Replace the sensor lever if damaged.
3) Defective paper top sensor spring
Action: Replace the spring if damaged.
4) Defective paper top sensor lever
Action: Replace the lever if damaged.
5) Defective engine controller PCB
Action: Replace the engine controller PCB.
VI-4. The printer cannot enter the READY mode and the "door open status" is output,
although the door is closed after installing the cartridge,
<Possible causes>
1) Damaged connector holder claw of the door switch ON/OFF.
Action: Replace the connector holder.
2) Defective door open detection unit
Action: Replace the door open detection unit.
3) Defective door open detection switch
Action: Replace the door open detection switch (SW301.)
4) Defective engine controller PCB
Action: Replace the engine controller PCB.
VI-5. The printer cannot enter the READY mode and the "paper out status" is output,
although paper is set.
<Possible causes>
1) Defective paper out sensor lever
Action: Replace the paper out sensor lever if damaged.
2) Defective paper out sensor
Action: Replace the paper out sensor (PS003.)
3) Defective engine controller PCB
Action: Replace the engine controller PCB.
VI-6. The printer cannot enter the READY mode and the "no cartridge status" is output,
although the cartridge is installed.
<Possible causes>
1) Poor contact in the primary high-voltage contact on the engine controller PCB and cartridge
contact.
Action: Clean the contacts if dirty. If the problem still remains after cleaning, or parts are
deformed or damaged, replace them.
CHAPTER 4
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