E-01EcoTank ET-3850

Epson EcoTank ET-3850 error E-01: Troubleshooting Guide

The Epson EcoTank ET-3850 error E-01 is a common indicator of a physical obstruction or paper jam within the feed mechanism. This status prevents the print carriage from performing its normal cycle, necessitating immediate manual inspection to remove lodged paper. We provide a safe guide to clear the E-01 error and restore printer functionality.

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Common causes

  • 1Misaligned paper: Sheets loaded unevenly in the tray.
  • 2Heavy media: Using cardstock exceeding the paper weight limits.
  • 3Dusty rollers: Accumulation of debris causing paper slippage.
  • 4Torn paper: Fragments from previous jams remaining in the path.

Solutions

Diagnóstico rápido

The error E-01 is confirmed by the LCD panel notification and the flashing attention light; if the printer halts during intake, a jam is the most probable cause.

Solución paso a paso

  1. Power off the printer and disconnect it from power.
  2. Open the tray and remove any misaligned paper sheets.
  3. Check rear access for debris or torn pieces.
  4. Clean the rollers using a slightly damp cloth to ensure proper feeding.

Prevención y mantenimiento

Use standard weight paper (64-95 g/m²) and avoid overloading the input tray. Perform periodic maintenance by running a specialized cleaning sheet. Use genuine 502 series ink to ensure nozzle longevity.

Cuándo llamar a un técnico

If the error persists after clearing the path, or if you hear persistent grinding noises, the internal feed sensor may be damaged.

Ficha técnica del equipo

  • Technology: PrecisionCore Inkjet
  • Speed: 15.5 ppm (black), 8.5 ppm (color)
  • Connectivity: Wi-Fi, Ethernet, USB
  • Capacity: 250 sheets (front tray)
  • Compatible Consumables: 502 series ink bottles
  • Usage: Small office / Home
  • Official drivers / firmware

Steps to follow

  1. 1

    Power off

    Unplug the printer from the wall outlet.

  2. 2

    Remove paper

    Open the input tray and remove any jammed paper carefully.

  3. 3

    Inspect path

    Check for small paper scraps inside the print path.

  4. 4

    Reboot

    Turn on the printer to clear the error message.

Frequently asked questions

The E-01 error indicates a paper jam; clear all paper from the input tray and rear access doors.

It should be resolved immediately to avoid mechanical strain on the print head carriage.

It requires genuine Epson 502 series ink bottles.

Gently clean them with a soft, slightly damp lint-free cloth.