W-11SureColor P900

Epson P900 W-11 Error: Maintenance Box Replacement Guide

Error W-11 on the Epson SureColor P900 is a status indicator warning that the maintenance box is near its full capacity. This component safely contains waste ink used during print head cleaning. Timely replacement is crucial to maintain printer cleanliness and operation.

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Common causes

  • 1High usage of automatic head cleaning cycles.
  • 2Large volume of printed documents and photos.
  • 3Internal ink waste counter limit reached.

Solutions

Replacing the Maintenance Box

  1. Locate the maintenance box compartment on the printer.
  2. Open the cover and remove the old box.
  3. Dispose of the old box carefully to avoid spills.
  4. Slide in the new original Epson replacement until it clicks.

Steps to follow

  1. 1

    Find the compartment

    Locate the maintenance cover on the back side of the unit.

  2. 2

    Remove old unit

    Carefully pull out the filled maintenance unit without tilting it.

  3. 3

    Install new unit

    Insert the new replacement unit and ensure it seats properly.

Frequently asked questions

You should not attempt to reset or clean it; replacing it with a new unit is the only supported method.

The printer will display an alert message on the LCD and status monitor.

The maintenance box itself does not affect quality, but ignoring the warning will stop the printer from functioning entirely.