Canon iR2422 series Service Manual page 263

Display Detail Code Main Cause/Symptom
Code
E733 0000 Erroneous communication between controller and printer
Cannot communicate with the printer
at startup.
E805 0000 Fan failure
The fan is faulty.
E808 0000 Fixing drive circuit failure
- The heater does not turn on.
- A fixing drive motor failure was
detected.
Countermeasure
- Check the connectors of the DC controller
PCB and image processor PCB for normal
connection.
- Check the power supply of the printer
(Check whether initialization is performed at
startup).
- Replace the DC controller PCB or image
processor PCB.
- Check the fan connector.
- Replace the fan.
- Replace the DC controller PCB.
- Check the connector of the fixing film unit.
- Replace the fixing film unit.
- Replace the fixing drive motor.
- Replace the DC controller PCB.
- Replace the power supply PCB.
Chapter 13
13-3