• Code: C-0001
• Description: I/O initial communication check in the printer control board (PRCB). Main body drive serial input abnormality 1. Within a specified period of time after the power ON ACK, a serial data is not received from the main body drive unit.
• Causes: Printer control board (PRCB)

• Code: C-0002
• Description: Main body drive serial input abnormality 2. Within a specified period of time after the power ON ACK, a serial data is not received from the main body drive unit.
• Causes: Printer control board (PRCB)

• Code: C-0003
• Description: Main body drive serial input abnormality 3. Within a specified period of time after the power ON ACK, a serial data is not received from the main body drive unit.
• Causes: Printer control board (PRCB)

• Code: C-0004
• Description: Main body drive serial input abnormality 4. Within a specified period of time after the power ON ACK, a serial data is not received from the main body drive unit.
• Causes: Printer control board (PRCB)

• Code: C-0005
• Description: Main body drive serial input abnormality 5. Within a specified period of time after the power ON ACK, a serial data is not received from the main body drive board.
• Causes: Printer control board (PRCB)

• Code: C-0010
• Description: Communication error check between the printer engine system boards. Drive communication reception error detection abnormality. A reception error interruption occurs while in the drive board serial data reception. Or, due to the occurrence of the data checksum error/ID information error, a retransmission request is made 3 times and an error is detected on the 4th time.
• Causes: Confirmation of the wiring harness and the connector ADU drive board (ADUDB) LU drive board (LUDB) Printer control board (PRCB)

• Code: C-0020
• Description: Initial communication check between the ADU drive board (ADUDB)/ printer control board (PRCB). ADU drive serial input abnormality 1. Within a specified period of time after the ACK at the time of the main power switch (SW1) being turned ON, a serial data from ID = 0 of the ADUDB is not received.
• Causes: Confirmation of the wiring harness and the connector ADU drive board (ADUDB) Printer control board (PRCB)

• Code: C-0021
• Description: Communication error check between the ADU drive board (ADUDB)/ printer control board (PRCB). ADU drive serial input abnormality 2. Within a specified period of time after the ACK at the time of the main power switch (SW1) being turned ON, a serial data from ID = 7 of the ADUDB is not received.
• Causes: Confirmation of the wiring harness and the connector ADU drive board (ADUDB) Printer control board (PRCB)