• Code: E400-0002
• Description: There is a DF communication error.
  There is a reception status error.
• Remedy: Disconnect and connect the harness connector; then, replace the reader controller PCB or the ADF DC controller.

• Code: E400-0003
• Description: There is a DF communication error.
  There is a reception interrupt error.
• Remedy: Disconnect and connect the harness connector; then, replace the reader controller PCB or the ADF DC controller.

• Code: E413-0001
• Description: There is an error in the DF shift motor.
  The shift HP sensor is open.
• Remedy: Check the harness; then, as necessary, replace the sensor and motor. Check the attaching of the parts around the cam.

• Code: E413-0002
• Description: There is an error in the DF shift motor.
  The shift HP sensor is closed.
• Remedy: Check the harness; then, as necessary, replace the sensor and motor. Check the attaching of the parts around the cam.

• Code: E490-0001
• Description: The DF is of the wrong model.
  The installed DF is not of the correct type.
• Remedy: Replace the DF with one of an appropriate type.

• Code: E500-0001
• Description: There is a finisher communication error.
  There is an error in data communication. An error has been detected in terms of the number of errors or the duration of the error in the communication between copier and finisher.
• Remedy: Turn off the main power, and check the DC controller, wiring of the finisher PCB, and 24V system fuse; then, turn on the main power.

• Code: E503-0002
• Description: There is an error in the communication within the finisher (finisher R1/R2).
  There is a data communication error. finisher-to-saddle unit communication error
• Remedy: Check the connection between the saddle stitcher controller PCB and the finisher controller PCB.

• Code: E503-0003
• Description: There is an error in the communication within the finisher (finisher R1/R2).
  finisher-to-punch unit communication error
• Remedy: Check the connection between the Punch controller PCB and the finisher controller PCB.