U2fi-800R

Fujitsu fi-800R error U2: Sensor Failure

Fujitsu fi-800R error U2 typically signals a sensor detection issue caused by dust or paper debris in the feed path.

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Common causes

  • 1Dust on sensors.
  • 2Paper debris.
  • 3Sensor misalignment.
  • 4Adhesive residue.

Solutions

Diagnóstico rápido

The error blocks scanning. Check the paper path for small fragments.

Solución paso a paso

  1. Open the scanner cover.
  2. Gently wipe sensors with a soft cloth.
  3. Clear any debris.
  4. Close and power on.

Prevención y mantenimiento

Clean rollers and sensors regularly. Use high-quality paper to minimize lint.

Cuándo llamar a un técnico

If the U2 error persists despite cleaning, hardware sensor damage is likely.

Ficha técnica del equipo

  • Technology: CIS Scanner
  • Speed: 40 ppm
  • Connectivity: USB 3.2
  • Consumable: FI-800R roller kit
  • Use case: Small Office
  • Official drivers

Steps to follow

  1. 1

    Open

    Open cover.

  2. 2

    Clean

    Wipe sensor.

  3. 3

    Retry

    Restart.

Frequently asked questions

This indicates a dirty or obstructed document feed sensor.

Scanning is impossible until the sensor is clear.

Original Fujitsu maintenance kits.

Perform regular sensor and roller cleanings.