e-004FTP-401MCL

Fujitsu FTP-401MCL Error E-004 Fix

The Fujitsu FTP-401MCL error E-004 alerts users to a power delivery failure. Fluctuations in the power supply can be detrimental to the printer's delicate heating elements. Follow these troubleshooting steps to ensure your device is powered correctly.

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Common causes

  • 1Power supply failure.
  • 2Cable issue.
  • 3Voltage fluctuation.
  • 4Logic board fault.

Solutions

Diagnóstico rápido

If the power adapter is cold or buzzing, replace it as a test. ERR-04 is often a supply issue.

Solución paso a paso

  1. Ensure the original PSU is used.
  2. Check for loose power cables.
  3. Test the wall socket with another device.
  4. If possible, test with a known good PSU.

Prevención y mantenimiento

Always use a surge protector.

Cuándo llamar a un técnico

If the issue persists with a new PSU, the motherboard is damaged.

Ficha técnica del equipo

Frequently asked questions

The sensor is detecting an out-of-range voltage fluctuation.

Verify the power adapter is delivering correct amperage.

Yes, it can fry internal logic components.

Use a power surge protector at all times.