• Code: 620
• Description: ARDF communication error
  • After the ARDF is detected, the break signal occurs or communication timeout occurs.
• Causes: • Incorrect installation of ARDF • ARDF defective • IPU board defective • External noise

• Code: 621
• Description: Two-tray finisher/booklet finisher communication error
• Causes: • Cable problems • BCU problems • PSU problems in the machine • Main board problems in the peripherals

• Code: 622
• Description: Bank communication error
• Causes: • Cable problems • BCU problems • PSU problems in the machine • Main board problems in the peripherals

• Code: 623
• Description: Duplex unit communication error
• Causes: • Cable problems • BCU problems • PSU problems in the machine • Duplex control board problem

• Code: 630
• Description: CSS communication error
• Causes: • Communication line error

• Code: 632
• Description: MF accounting device error 1
• Causes: • Loose connection between the controller and the accounting device

• Code: 633
• Description: MF accounting device error 2
• Causes: • Loose connection between the controller and the accounting device

• Code: 634
• Description: MF accounting device error 3
• Causes: • Defective controller of the MF accounting device • Battery error