• Code: 565
• Description: Pressure roller fusing lamp consecutive full power 3
  When the fusing unit is not running in the ready condition, the pressure roller fusing lamp keeps ON full power for 250 seconds or more.amp on.
• Causes: • Broken pressure roller thermostat • Broken pressure roller fusing lamp
• Remedy: 1. Replace the pressure roller fusing lamp. 2. Replace the pressure roller thermostat. 3. Replace the PSU.

• Code: 571
• Description: Pressure roller thermister error 4
  The temperature measured by the pressure roller thermistor (end) does not reach 0 °C for 20 seconds.amp on.
• Causes: • Loose connection of pressure roller thermistor (end) • Defective pressure roller thermistor (end)r more.
• Remedy: 1. Check that the pressure roller thermistor (end) is firmly connected. 2. Replace the pressure roller thermistor (end).

• Code: 573
• Description: Pressure roller overheat 4 (software error)
  The detected pressure roller temperature stays at 230°C or more for 1 second.
• Causes: • Defective pressure roller thermistor (end) • Defective PSU • Defective BCU
• Remedy: 1. Replace the pressure roller thermistor (end). 2. Replace the PSU. 3. Replace the BCU.

• Code: 574
• Description: Pressure roller overheat 4 (hardware error)
  The pressure roller thermistor (end) detects 250°C or more.
• Causes: • Defective pressure roller thermistor (end) • Defective PSU • Defective BCU • Defective fusing control systemtem
• Remedy: 1. Replace the pressure roller thermistor (end). 2. Replace the PSU. 3. Replace the BCU.

• Code: 610
• Description: Mechanical counter error: K
  This SC is only for NA models. The machine detects the mechanical counter error when SP5987-001 is set to "1".
• Causes: • Disconnected mechanical counter • Defective mechanical counter
• Remedy: 1. Check or replace the mechanical counter. 2. Replace the BCU.

• Code: 611
• Description: Mechanical counter error: FC
  This SC is only for NA models. The machine detects the mechanical counter error when SP5987-001 is set to "1".
• Causes: • Disconnected mechanical counter • Defective mechanical counter
• Remedy: 1. Check or replace the mechanical counter. 2. Replace the BCU.

• 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 • BICU board defective • External noise
• Remedy: 1. Check the cable connection of the ARDF. 2. Shut out the external noise. 3. Replace the ARDF. 4. Replace the BCU board.

• Code: 632
• Description: Counter device error 1
  After 3 attempts to send a data frame to the optional counter device via the serial communication line, no ACK signal was received within 100 ms.
• Causes: • Serial line between the optional counter device, the relay board and copier control board is disconnected or damaged • Make sure that SP5113 is set to enable the optional counter device.
• Remedy: