c-2551bizhub C220

Konica Minolta bizhub C220 Error C-2551: Toner Supply Failure

The Konica Minolta bizhub C220 error C-2551 indicates a fault in the toner supply motor for one of the color channels. This error locks the machine to prevent damage to the developer unit due to an insufficient toner mix.

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Common causes

  • 1Supply motor hardware failure.
  • 2Toner cartridge obstruction.
  • 3Harness connector issues.
  • 4Use of incompatible non-OEM toner.

Solutions

Diagnóstico rápido

If the machine displays C-2551, the system has detected that the corresponding supply motor is stalled or disconnected.

Solución paso a paso

  1. Check cartridge: Reseat the toner cartridge and check its rotation.
  2. Diagnostic test: Use service mode to verify the motor output.
  3. Reset: Clear counters after identifying and fixing the mechanical blockage.

Prevención y mantenimiento

Use original TN-216 toner to avoid buildup. Ensure printer environment is not overly humid.

Cuándo llamar a un técnico

If the motor doesn't move during diagnostic tests, the drive board or motor needs professional repair.

Ficha técnica del equipo

Steps to follow

  1. 1

    Check cartridge

    Ensure the toner cartridge is seated correctly.

  2. 2

    Diagnostic test

    Access service mode to check the toner supply motor status.

  3. 3

    Reset

    Reset supply counters if mechanical movement is confirmed.

Frequently asked questions

The toner supply motor is not rotating, preventing toner from reaching the developer unit.

It is critical; printing is locked to protect the developer unit.

Only use original TN-216 toner.

Yes, but the mechanical fault must be addressed first.