Code :

Code: E400-0000
Description: Communication error with the ADF
While the ADF is in standby, the communication between ADF and copier is interrupted for 5 sec or more. Or, when the ADF is in operation, the communication between ADF and copier is disrupted for 0.5 sec or more.
Remedy: - Check if the communication cable between the ADF and copier is connected properly. - Replace the ADF controller PCB.

Code: E402-0000
Description: The rotation of the ADF belt motor is faulty.
The clock signal does not occur for 100 msec when the belt motor drive signal is generated.
Remedy: - Check if the cable between the ADF belt motor drive PCB and ADF controller PCB is connected properly. - Replace the ADF belt motor clock sensor. - Replace the ADF belt motor. - Replace the ADF belt motor drive PCB. - Replace the ADF controller PCB.

Code: E404-0000
Description: The rotation of the ADF delivery motor is faulty.
The clock signal does not occur for 200 msec when the delivery motor drive signal is generated.
Remedy: - Replace the ADF delivery motor. - Replace the ADF delivery motor clock sensor. - Replace the ADF controller PCB.

Code: E405-0000
Description: The rotation of the ADF separation motor is faulty.
The clock signal does not occur for 200 msec when the separation motor drive signal is generated.
Remedy: - Replace the ADF separation motor. - Replace the ADF separation motor clock sensor. - Replace the ADF controller PCB.

Code: E410-0000
Description: The rotation of the ADF pickup motor is faulty.
The pickup roller height sensor 1 (PI8) or 2 (PI9) does not generate a signal within 2 sec after the pickup motor is driven. Or, the pickup roller home position sensor (PI7) does not generate a signal within 2 sec after the pickup motor is driven.
Remedy: - Replace the ADF pickup motor. - Replace the ADF pickup roller height sensor 1. - Replace the ADF pickup roller height sensor 2. - Replace the ADF pickup roller home position sensor. - Replace the ADF controller PCB.

Code: E412-0000
Description: The rotation of the ADF cooling fan is faulty.
The lock signal arrives for 100 msec or more although the cooling fan is being driven.
Remedy: - Replace the ADF cooling fan. - Replace the ADF controller PCB.

Code: E420-0000
Description: The EEPROM is faulty. The ADF controller PCB is faulty.
The backup data of the EEPROM cannot be read when the connected device is tuned on. Or, the data that has been read has a fault.
Remedy: - Replace the ADF controller PCB.