Canon copier error code
Power on error code E400.
E400-0100
can occur if the Communication Cables on the rear of the scanner are loose or improperly connected. Re-seat all the cables on the rear of the scanner.Re-seat the cable going from the ADF CONTROLLER to MEMORY PCB. If E400 is still present it has been found that replacing the ADF Controller or MEMORY PCB may be necessary.
