• 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.
• Remedy: Remove the paper that is jammed in the fusing unit. Then make sure that the fusing unit is clean and has no obstacles in the paper feed path.

• Code: 561
• Description: Heating roller thermopile error The temperature measured by the thermopile does not reach 0 °C for 20 seconds.
• Causes: Loose connection of the thermopile. Defective thermopile
• Remedy: 1. Check if the thermopile is firmly connected. 2. Replace the thermopile.

• Code: 563
• Description: Heating roller overheat 3 (software error)
  The detected fusing roller temperature stays at 230°C or more for 1 second.
• Causes: Defective PSU. Defective IOB. Defective BICU
• Remedy: 1. Replace the thermistor. 2. Replace the PSU. 3. Replace the IOB. 4. Replace the BICU.

• Code: 564
• Description: Heating roller overheat 3 (hardware error)
  The thermopile detects 250°C or more.
• Causes: Defective PSU. Defective IOB. Defective BICU. Defective fusing control system
• Remedy: 1. Replace the thermistor. 2. Replace the PSU. 3. Replace the IOB. 4. Replace the BICU.

• Code: 565
• Description: Heating 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 120 seconds or more.
• Causes: Broken heating roller fusing lamp
• Remedy: 1. Replace the heating roller lamp. 2. Replace the PSU.

• 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.

• 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.

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