Canon LBP5050 Series, Service Manual

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Chapter 5
5-5
0000 Description: Abnormal output from toner remaining detection sensor
(Yellow)
Cause: Memory controller PCB defect, DC controller PCB defect, toner
cartridge defect - Check the connector of the DC controller PCB.
- Replace toner cartridge
- Replace DC controller PCB
0001 Description: Abnormal output from toner remaining detection sensor
(Magenta)
Cause: Memory controller PCB defect, DC controller PCB defect, toner
cartridge defect
0002 Description: Abnormal output from toner remaining detection sensor
(Cyan)
Cause: Memory controller PCB defect, DC controller PCB defect, toner
cartridge defect
0003 Description: Abnormal output from toner remaining detection sensor
(Black)
Cause: Memory controller PCB defect, DC controller PCB defect, toner
cartridge defect
E066 Environment sensor abnormality
Description: Environment sensor abnormality
Cause: Environment sensor defect, DC controller PCB defect - Check the connector of the environment sensor, DC controller PCB.
- Replace environment sensor
- Replace DC controller PCB
E100 ITB/TOP sensor failed
Description: ITB/TOP sensor failed.
Cause: ITB/TOP sensor defect, DC controller PCB defect - Check the connector of the ITB unit, DC controller PCB.
- Replace ITB unit
- Replace DC controller PCB
E100 Scanner unit, laser unit, BD abnormality
0000 Description: Yellow optical assembly failure.
Cause: Laser scanner defect, DC controller PCB defect - Check the connector of the laser scanner unit, DC controller PCB.
- Replace laser scanner unit
- Replace DC controller PCB
0001 Description: Magenta optical assembly failure.
Cause: Laser scanner defect, DC controller PCB defect
0002 Description: Cyan optical assembly failure.
Cause: Laser scanner defect, DC controller PCB defect
0003 Description: Black optical assembly failure.
Cause: Laser scanner defect, DC controller PCB defect
E110 BD correction control failure
Description: The machine does not change to the scanner ready status, after
starting BD control.
Cause: Laser scanner unit defect, DC controller PCB defect - Replace the laser scanner unit
- Replace DC controller PCB
E196 DCON ROM abnormality
DC controller PCB ROM update failed. - Replace DC controller PCB
E197 Engine communication error
0000 Internal communication error - Replace DC controller PCB
- Replace main controller PCB
E198 DC controller memory failure
Description: DC controller memory failure.
Cause: DC controller PCB defect - Replace DC controller PCB
E747 EEPROM error
Code Detection details Treatment