w-01Expression ET-4700

Epson Expression ET-4700 Error W-01: Quick Fix

The Epson Expression ET-4700 error W-01 indicates a physical obstruction in the paper feed path. This display warning halts printing until the sensor detects the path is clear. To resolve this, ensure any paper debris is safely removed following security guidelines.

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Common causes

  • 1Misaligned paper in the input tray.
  • 2Using paper outside weight specifications.
  • 3Dust accumulated on feed rollers.
  • 4Paper sensor obstructed by debris.

Solutions

Quick Diagnosis

The error W-01 is specific to paper jams. If the screen flashes this code, look for paper scraps in the rear slot or inside the print engine. Why does my Epson ET-4700 show error W-01? It usually happens due to poor paper loading.

Step-by-Step Solution

  1. Power Off: Turn off the printer and unplug the power cord.
  2. Visual Inspection: Open the scanner unit and check for paper scraps.
  3. Extraction: Gently pull out any jammed paper to avoid tearing.
  4. Cleaning: Use a lint-free cloth to clean the rollers if dust is present.

Prevention and Maintenance

Avoid overloading the input tray. Always use standard weight paper (75-90 g/m²) and keep the environment dust-free to protect optical sensors.

When to Call a Technician

If the error persists after cleaning the path, a paper sensor might be physically damaged, requiring professional repair.

Equipment Data Sheet

  • Technology: Inkjet (EcoTank)
  • Speed: 10 ppm (black)
  • Connectivity: Wi-Fi, Ethernet, USB
  • Compatible Consumable: 504 series bottles
  • Recommended Use: Home and Small Office
  • Official Drivers

Steps to follow

  1. 1

    Power Off

    Turn off the printer and unplug the power cord to prevent internal damage.

  2. 2

    Access Compartment

    Open the scanner unit and carefully remove any visible paper scraps.

  3. 3

    Check Tray

    Remove the paper tray and ensure no fragments are stuck in the rollers.

Frequently asked questions

Error W-01 indicates a paper jam in the feed mechanism, often caused by incorrect loading or paper types.

It is not critical but needs immediate attention to prevent potential damage to the print head or rollers.

This model uses 504 series ink bottles. Original inks are recommended for best performance.

Clean the rollers every 6 months or whenever you notice paper feed issues.

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