E805 error in canon copier GP 285

Please i need help on E805 error in canon copier GP 285. I have check the fans and i don't no whether is the processor board.
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  1. hi

    just had a look on the service manual

    The fan rotation has a fault.
    • The fan has a fault.
    • The DC controller PCB has a fault.
    • The fan connector has poor contact.
    Fixing heat discharge fan 1 (FM2)
    Fixing heat discharge fan 2 (FM3)
    Laser driver cooling fan (FM4)
    Laser scanner motor cooling fan (FM5)
    Laser scanner motor cooling fan 2 (FM6)
    Cleaner heat exhaust fan (FM7)
    System cooling fan (FM8)
    Low-voltage power supply cooling fan 1
    (FM10)
    Low-voltage power supply cooling fan 2
    (FM11)
    Reader cooling fan 1 (FM12)
    Reader cooling fan 2 (FM13)
    Drum cartridge cooling fan 1
    Drum cartridge cooling fan 2
    Drum cartridge cooling fan 3
    DC controller PCB cooling fan
    Scanner motor cooling fan


    hope it helps

    Dave copier engineer
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