• Code: 0520
• Display: FUSER ERROR
• Description: Abnormally high heating roller temperature
  • The temperature detected by the thermistor /1 remains higher than the specified value for a given period of time or longer. • The heater lamp remains ON for a given period of time or longer.
• Remedy: 1 Check the fusing unit for correct installation (whether it is secured in position). 2 Check the fusing unit, DCPU, and MFPB for proper connection and correct as necessary. 3 Change fusing unit. 4 Change MFPB. 5 Change DCPU.

• Code: 0521
• Display: FUSER ERROR
• Description: Abnormally high fusing pressure roller temperature
  • The temperature detected by the thermistor /2 remains higher than the specified value for a given period of time or longer.
• Remedy: 1 Check the fusing unit for correct installation (whether it is secured in position). 2 Check the fusing unit, DCPU, and MFPB for proper connection and correct as necessary. 3 Change fusing unit. 4 Change MFPB. 5 Change DCPU.

• Code: 0B30
• Display: FINISHER ERROR
• Description: Finisher aligning plate drive malfunction
• Remedy:

• Code: 0B47
• Display: FINISHER ERROR
• Description: Finisher media holding drive malfunction
• Remedy:

• Code: 0B48
• Display: FINISHER ERROR
• Description: Finisher exit roller pressure/retraction malfunction
• Remedy:

• Code: 0B4A
• Display: FINISHER ERROR
• Description: Finisher aligning belt pressure/retraction malfunction
• Remedy:

• Code: 0B4C
• Display: FINISHER ERROR
• Description: Finisher media ejector motor malfunction
• Remedy:

• Code: 0BA0
• Display: FINISHER ERROR
• Description: Finisher tray up/down motor ascent/descent drive malfunction
• Remedy: