• Code: C-6001
• Description: CCD board (CCDB) connection abnormality.
• Causes: CCD board (CCDB) Overall control board (OACB)

• Code: C-6002
• Description: Communication abnormality between the engine control of the overall control board (OACB) and that of the printer control board (PRCB). While in the stand-by, a scanner Ready signal cannot be detected for a specified period of time.
• Causes: Overall control board (OACB) Printer control board (PRCB)

• Code: C-6003
• Description: Communication abnormality between the engine control of the overall control board (OACB) and that of the printer control board (PRCB). Time out for the notice time of the platen original size.
• Causes: Overall control board (OACB) Printer control board (PRCB)

• Code: C-6101
• Description: While in the exposure unit initial search, the scanner home sensor (PS30) does not turn on within a specified period of time. And also, while in the return scan, PS30 does not turn on within a specified period of time.
• Causes: Scanner motor (M2) Scanner home sensor (PS30) Printer control board (PRCB)

• Code: C-6201
• Description: Exposure lamp (L1) abnormality.
  - A specified period of time after L1 turns on, an L1 abnormality signal is detected in succession for a specified period of time.
• Causes: Exposure lamp (L1) L1 inverter (L1 INVVB) Printer control board (PRCB)

• Code: C-6701
• Description: AOC abnormality.
  - AOC counter overflow
• Causes: CCD board (CCDB) Exposure lamp (L1) L1 inverter (L1 INVVB) Scanner motor (M2) Overall control board (OACB)

• Code: C-6702
• Description: AGC abnormality.
  - AGC counter overflow
• Causes: CCD board (CCDB) Exposure lamp (L1) L1 inverter (L1 INVVB) Scanner motor (M2) Overall control board (OACB)

• Code: C-8001
• Description: DF control board (DFCB) communication abnormality.
  - Communication abnormality between the printer control board (PRCB) and DFCB.
• Causes: DF control board (DFCB) Printer control board (PRCB)