• Code: SC620
• Description: Communication Error Between BCU and ADF 1
  There was no response from the ADF 100 ms after the ACK signal was sent to the ADF. Three attempts to resend the data failed.
• Causes: • Poor connection between the BCU board and the ADF main board
  • Interference from external noise on the harness between the BCU and ADF

• Code: SC621
• Description: Communication Error Between BCU and ADF 2
  The machine detected a break signal (LOW) from the line connection between the BCU and ADF
• Causes: • Serial line connection unstable
  • Harness, connectors between ADF and BCU loose, broken, defective

• Code: SC622
• Description: Communication Error Between BCU and ADF 3
  Software error after improper user operation.
• Causes: • Software error
  • Cycle the machine off/on

• Code: SC625
• Description: Communication Error Between BCU and Finisher
  The BCU cannot communicate with the finisher properly. here was no response from the ADF 100 ms after the ACK signal was sent to the ADF. Three attempts to resend the data failed.
• Causes: • Poor connection between the BCU board and the finisher main board

• Code: SC626
• Description: Communication Error Between BCU and Finisher
  A break signal (LOW) was detected.
• Causes: • Poor connection between the BCU board and the finisher main board
  • Finisher main board defective
  • BCU board defective
  • External electrical noise on the interface cable caused the serial line to become unstable

• Code: SC630
• Description: CSS Communication
  Japan Only
• Causes:

• Code: SC632
• Description: Charge Unit Device Error 1
  Japan Only
• Causes:

• Code: SC633
• Description: Charge Unit Device Error 2
  Japan Only
• Causes: