• Code: C-8001
• Description: Although the main body sends out data according to the data retransmission request made by the DF, a retransmission request signal is received again.
• Causes: Confirmation of the wiring harness and the connector DF control board (DFCB: DF) Overall control board (OACB: main body)

• Code: C-8002
• Description: When a checksum error or an SRGA reception error was detected while in the reception in serial communication, a signal was sent to make a request for sending data again. And when data is being received upon this request, a checksum error or an SRGA reception error is detected again.
• Causes: Confirmation of the wiring harness and the connector DF control board (DFCB: DF) Overall control board (OACB: main body)

• Code: C-8003
• Description: When the main power switch (SW1) is ON, there is no response to the initial communication request from the main body to the DF even after a specified period of time elapses.
• Causes: Confirmation of the wiring harness and the connector DF control board (DFCB)

• Code: C-8201
• Description: Tray up/down motor (M303) abnormality.
• Causes: Confirmation of the wiring harness and the connector Confirmation of the original tray up/down drive parts Tray up/down motor (M303) DF control board (DFCB)

• Code: C-8301
• Description: Cooling fan (FM301) abnormality.
• Causes: Confirmation of the wiring harness and the connector Cooling fan (FM301) DF control board (DFCB)

• Code: C-8401
• Description: Original registration sensor (PS306) abnormality.
• Causes: Confirming the sensor operation Confirmation of the wiring harness and the connector Original registration sensor (PS306) DF control board (DFCB)

• Code: C-8402
• Description: Original conveyance sensor (PS308) abnormality.
• Causes: Confirming the sensor operation Confirmation of the wiring harness and the connector Original conveyance sensor (PS308) DF control board (DFCB)

• Code: C-8403
• Description: Original reverse sensor (PS309) abnormality.
• Causes: Confirming the sensor operation Confirmation of the wiring harness and the connector Original reverse sensor (PS309) DF control board (DFCB)