120C544dn

Lexmark C544dn Error 120 Fix

The Lexmark C544dn error 120 indicates the printer's internal page counter for the toner cartridge has hit its limit. This protects the printing system by preventing operations with insufficient toner. Resolving this typically requires installing a fresh cartridge to reset the status.

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Common causes

  • 1End of Life: Cartridge page count reached its limit.
  • 2Faulty Chip: The counter failed to accurately count usage.
  • 3Incomplete Refill: Toner added but chip remains at 'empty'.
  • 4Seals: Protective transport seals left in place.

Solutions

Diagnóstico rápido

If the error occurs mid-job, the toner is likely empty. If the cartridge feels full, the chip is faulty or incorrectly reset.

Solución paso a paso

  1. Remove the flagged toner cartridge.
  2. Gently rock the cartridge to redistribute toner.
  3. Install a new cartridge or replace the toner chip if using refills.
  4. Ensure the cartridge is fully locked in the slot.

Prevención y mantenimiento

Using original Lexmark consumables ensures the life-cycle counter works as intended.

Cuándo llamar a un técnico

If replacing the cartridge doesn't clear the error, the internal sensor board may need inspection.

Ficha técnica del equipo

Frequently asked questions

Error 120 indicates the toner cartridge has reached its end-of-life cycle and requires replacement.

Since this is an end-of-life status, you usually must install a new cartridge to proceed.

Ensure all plastic packaging and safety seals have been fully removed before installing.

Refills often trigger error 120 because the chip is not reset, requiring a new chip installation.