• Code: C-D001
• Description: HDD/1 (HDD1) initialization abnormality. The HDD1 is defective, or the connector is poorly connected.
• Causes: Confirmation of the wiring harness and the connector Reinstalling firmware HDD/1 (HDD1) Overall control board (OACB)

• Code: C-D002
• Description: The JOB information cannot be stored on the HDD/1 (HDD1).
• Causes: Confirmation of the wiring harness and the connector Reinstalling firmware HDD/1 (HDD1) Overall control board (OACB)

• Code: C-D003
• Description: When HDD/1 (HDD1) JOB auto deletion is being executed, a route cannot be opened.
• Causes: Confirmation of the wiring harness and the connector Reinstalling firmware HDD/1 (HDD1) Overall control board (OACB)

• Code: C-D004
• Description: HDD/1 (HDD1) access defective. The HDD1 is defective, or the connector is poorly connected.
• Causes: Confirmation of the wiring harness and the connector Reinstalling firmware HDD/1 (HDD1) Overall control board (OACB)

• Code: C-D010
• Description: HDD overwrite erase is conducted.
• Causes:

• Code: C-D101
• Description: Tandem communication error
• Causes: Confirmation of the wiring harness and the connector Confirmation of the network connection for tandem Confirmation of the tandem setting of both machine Overall control board (OACB)

• Code: C-D102
• Description: Tandem image transmission error
• Causes: Confirmation of the wiring harness and the connector Confirmation of the network connection for tandem Confirmation of the tandem setting of both machine Overall control board (OACB)

• Code: C-E001
• Description: The message queue is insufficient or destroyed.
• Causes: Confirmation of the wiring harness and the connector PCI relay board (PCIRB) IC board (ICB) Overall control board (OACB)