Stop printing if the same fault returns after one careful restart or basic recovery step.
Epson / EcoTank ET-4950 series

Recovery mode Update Firmware - A firmware update failed and the printer needs to be updated again by USB.

A firmware update failed and the printer needs to be updated again by USB.

This guide is scoped to the EcoTank ET-4950 series family. Exact menu wording, cartridge naming, and service behavior can still vary by model variant and firmware.

Severity

High

Most likely cause

A firmware update failed before completion.

Can you keep using it?

Usually no - see below

Consumables involved

Not usually the first suspect

Can you keep using it?

Can you keep using it?

Contact customer support if any of these apply

  • !Recovery mode remains after a clean USB-based firmware retry.
  • !The printer cannot leave update recovery state at all.
If the printer still starts normally: Try one careful restart or the first official recovery step, then stop if the same error comes back straight away.

What to check first

Step-by-step checks

  1. 1

    Safe first step

    Connect the printer to a computer with a USB cable.

    Start with the official recovery step before moving on to parts or deeper servicing.

  2. 2

    Safe first step

    Retry the firmware update using Epson's official update path.

  3. 3

    Safe first step

    Do not interrupt the update once recovery has started.

Background

What this message usually means

Epson uses Recovery mode on the ET-4950 series when a firmware update fails. The official guidance is to connect the printer by USB and retry the firmware update, then contact support if it still cannot recover.

Diagnosis

Likely causes

Most common

A firmware update failed before completion.

Common

The printer lost communication or power during an update.

Possible

The device entered update recovery state and cannot resume normal operation yet.

Service

When service or replacement is more likely

  • -Recovery mode is update-specific and should not be treated like a standard print error.

See also

Related codes in this family

Explore more

More Epson printer families

Source notes

Epson's ET-4950 series guide says Recovery mode appears after a failed firmware update and instructs users to retry the update by USB.

Built around the official ET-4950 series user's guide and related Epson support pages for ET-4950, ET-4955, and ET-4958. Message wording can vary slightly by model and firmware, but the status behavior stays close across the family.

Printer error codes can vary a little by firmware, region, and exact model variant. Use this guide as a family-level starting point and stop if the next step would require disassembly or service-mode changes.

Known family variants: ET-4950, ET-4955, ET-4958

Last reviewed: 2026-04-12

Reference: Open reference

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