004-332VersaLink B400

Xerox VersaLink B400 error 004-332: Fuser Failure

The Xerox VersaLink B400 error 004-332 is a critical alert related to the fuser unit. When users ask why does my Xerox VersaLink B400 show error 004-332, the system is usually signaling that the fuser cannot reach the necessary working temperature. This is a core component that fuses toner onto the paper.

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Common causes

  • 1Heating element (lamp or resistance) failure.
  • 2Defective thermistor failing to send temperature signals to the logic board.
  • 3Dirt buildup on the fuser unit due to non-certified toner use.
  • 4Sudden power surge causing damage to the fuser control logic.

Solutions

Diagnóstico rápido

The 004-332 error signals a failure in the thermal system. If you hear unusual noises or smell burning, turn off the printer immediately.

Solución paso a paso

  1. Cooling: Unplug power and let the unit cool for 30 minutes.
  2. Inspection: Check for jammed paper within the fuser area.
  3. Reboot: Plug it back in; if the error recurs, the hardware requires professional repair.

Prevención y mantenimiento

Avoid operating in extreme humidity. Always use genuine supplies to prevent fuser roller contamination with non-compatible residue.

Cuándo llamar a un técnico

This error is typically final. If not caused by a simple paper jam, it indicates a failure of the thermostat or the fuser heating element.

Ficha técnica del equipo

  • Technology: Laser
  • Speed/Approximate performance: 47 ppm
  • Connectivity: USB, network
  • Compatible consumable: Xerox B400 series toner
  • Key Component: Fuser Unit
  • Recommended use: Corporate
  • Drivers / official firmware

Steps to follow

  1. 1

    Forced shutdown

    Unplug the machine immediately to cool the fuser.

  2. 2

    Inspection

    Check for paper fragments blocking the heat unit.

  3. 3

    Reboot

    If the error persists after 20 minutes, contact support.

Frequently asked questions

This indicates a fuser heating error; the machine detects that it cannot reach the operating temperature.

If it persists, it indicates a failure in the thermistor or heating element that needs professional attention.

Original toner prevents adhesive residue from building up on the fuser roller.

Only if it was a momentary fluctuation; otherwise, it is a hardware failure.