w-03expression-et-4700

Epson Expression ET-4700 error W-03: Fix

The Epson Expression ET-4700 error W-03 is a status alert informing you that the scanner lid or the Automatic Document Feeder (ADF) door is open. This safety feature stops print jobs while the scanner is in use. Here is how to fix it.

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Common causes

  • 1Lid not fully closed
  • 2ADF unit not latched
  • 3Sensor blocked by dust
  • 4Loose hinge

Solutions

Diagnóstico rápido

If you see W-03, the lid sensor is not detecting the closed position. Check the ADF tray for papers and the scanner lid for a secure lock.

Solución paso a paso

  1. Verify lid: Open and firmly close the scanner cover.
  2. Check ADF: Ensure no loose papers are blocking the ADF path.
  3. Clean sensor: Dust off the area around the hinges where the sensor resides.

Prevención y mantenimiento

Handle the scanner lid with care. Keep the scanning glass and sensor area clean.

Cuándo llamar a un técnico

If the error persists with the lid clearly closed, the lid sensor may be faulty.

Ficha técnica del equipo

  • Technology: EcoTank
  • Speed: 33 ppm
  • Connectivity: Wi-Fi, Ethernet
  • Compatible Consumables: 504 series
  • Recommended Use: Office
  • Official drivers / firmware

Frequently asked questions

This alert indicates the printer scanner lid or ADF cover is not fully closed.

No, it is a simple status message indicating that a safety switch is triggered.

The printer uses 504 series ink bottles.

Ensure the lid is pressed down firmly and clear any debris near the hinges.

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