c-3451bizhub C220

Konica Minolta bizhub C220 Error C-3451: Fusing Unit Fault

The Konica Minolta bizhub C220 error C-3451 indicates a temperature control error in the fusing unit. The machine stops as a safety precaution due to thermal fluctuations or sensor failure.

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Common causes

  • 1Thermistor sensor failure.
  • 2Blown heating lamp.
  • 3Fuser unit power surge.
  • 4Heat roller wear.

Solutions

Diagnóstico rápido

Error C-3451 is a fusion heating failure. It signals the machine is outside safe thermal limits.

Solución paso a paso

  1. Cool down: Leave the device powered off for 20 minutes.
  2. Check path: Remove any paper scraps in the fusing area.
  3. Trouble Reset: Use service mode to reset the error.

Prevención y mantenimiento

Prevent fuser damage by avoiding incorrect heavy paper settings. Schedule preventive maintenance.

Cuándo llamar a un técnico

High risk of burns. Internal heating elements require certified technicians.

Ficha técnica del equipo

Steps to follow

  1. 1

    Cool down

    Leave the device powered off for 20 minutes.

  2. 2

    Check path

    Remove any paper scraps in the fusing area.

  3. 3

    Trouble Reset

    Use service mode to reset the error.

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