• Code: 557
• Description: Over zero cross frequency
  The number of times Low-frequency wave detection is less than 1 time.
• Causes: • Interruption of power source line noise.

• Code: 559
• Description: Consecutive fusing jam
  The paper jam counter for the fusing unit reaches 3 times. The paper jam counter is cleared if the paper is fed correctly. This SC is activated only when SP1159-001 is set to "1" (default "0").
• Causes: • Paper jam in the fusing unit.

• Code: 620
• Description: ADF communication error
  Disconnection after connection in normal.
• Causes: • Defective the ADF
  • Defective the IPU board
  • Bad connection of the ADF

• Code: 622
• Description: Bank communication error
  1. Malfunction occurs on line connection.
  2. Receiving a communication error notice from the URAT.
• Causes: • Defective the bank control board
  • Defective the BICU, the IOB
  • Bad connection between the bank and the main machine
  • Defective the bank control

• Code: 623
• Description: Second bank communication error
  Abnormal code is send from the bank unit.
• Causes: • Bad connection between the first bank and the second bank
  • Defective the bank control board
  • NOT all connectors are in place

• Code: 632
• Description: MF accounting device error 1
  The machine sends a data frame. No normal end signal returns. This symptom happens three times.
• Causes: • Defective or broken line between machine and device

• Code: 633
• Description: MF accounting device error 2
  The machine is communicating with the accounting device. The break signal returns.
• Causes: Defective or broken line between machine and device

• Code: 634
• Description: MF accounting device error 3
  A backup RAM error is reported from the accounting device.
• Causes: • Defective accounting device controller
  • Defective battery in the accounting device