• Code: 562-03
• Description: Heating roller warm-up error (sensor 3)
  The center temperature of the heating roller does not reach the target reload permit pressure within the prescribed time.
• Causes: Dirty thermopile lenses. Defective heating roller thermistor. Input voltage out of the warranty (out of specification).
• Remedy: 1. Check and clean the thermopile lenses. 2. Replace the thermopile 3. Replace the thermistor.

• Code: 563
• Description: Pressure roller overheat (software error): Center
  The temperature detected by the pressure roller thermistor stays at the prescribed temperature within the prescribed time.
• Causes: Defective PSU. Defective BICU
• Remedy: 1. Replace the PSU. 2. Replace the BICU.

• Code: 564
• Description: Pressure roller overheat (hardware error): Center
  The temperature detected by the pressure roller thermistor detects prescribed temperature.
• Causes: Defective BICU. Defective fusing control system.
• Remedy: 1. Replace the thermistor. 2. Replace the BICU.

• Code: 571
• Description: Pressure roller thermistor error: End
  The temperature detected by the pressure roller thermistor does not reach 0 °C within the prescribed time.
• Causes: Loose connection of the pressure roller thermistor. Defective thermopile. Defective pressure roller thermistor.
• Remedy: 1. Check if the pressure roller thermistor is firmly connected. 2. Replace the thermopile. 3. Replace the pressure roller thermistor.

• Code: 572-03
• Description: Heating roller warm-up error (sensor 4)
  The temperature of the heating roller does not reach 20 °C within the prescribed time.
• Causes: Dirty thermopile lenses. Defective heating roller thermistor. Input voltage out of the warranty (out of specification).
• Remedy: 1. Check and clean the thermopile lenses. 2. Replace the thermopile 3. Replace the thermistor.

• Code: 573
• Description: Pressure roller overheat (software error): End
  The temperature detected by the pressure roller thermistor stays at the prescribed temperature within the prescribed time.
• Causes: Defective PSU. Defective BICU
• Remedy: 1. Replace the PSU. 2. Replace the BICU.

• Code: 574
• Description: Pressure roller overheat (hardware error): End
  The temperature detected by the pressure roller thermistor detects prescribed temperature.
• Causes: Defective BICU. Defective fusing control system
• Remedy: 1. Replace the thermistor. 2. Replace the BICU.

• Code: 610
• Description: Mechanical counter error: Bk
  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.