print-unable-4fMFC-J491DW

Brother MFC-J491DW error print-unable-4f: Fix

The Brother MFC-J491DW error print-unable-4f indicates a serious printhead issue. Knowing how to fix Brother MFC-J491DW error print-unable-4f is crucial for resuming operation.

1 views

Common causes

  • 1Dried ink on printhead.
  • 2Electrical sensor failure.
  • 3Carriage board malfunction.
  • 4Cartridge leaking.

Solutions

Diagnóstico rápido

Printhead sensor failure during calibration.

Solución paso a paso

  1. Unplug power.
  2. Remove ink cartridges.
  3. Inspect for ink spills.
  4. Reboot unit.

Prevención y mantenimiento

Only use original Brother cartridges.

Cuándo llamar a un técnico

If the reset fails, replace the printhead.

Ficha técnica del equipo