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Lexmark MS711

Lexmark MS711

Lexmark MS810de ? Unable to Print on Both sides (Duplex) of a Custom sized Paper


The printer is unable to perform duplex printing (double-sided) on a custom-sized print job. This scenario happens when the printer is running an EC0 version of firmware.

Recommended solution

To resolve the issue, update the printer with the latest firmware code. To do this, follow the steps below.

How to download firmware

  1. Go to

  2. Type your printer model in the “Enter Product Name” field and click

    OR click on the picture of the correct printer model shown.

  3. Locate the “Downloads” tab.

  4. Select the version of the Operating System.

  5. Click the link available under "Firmware."

After downloading the latest firmware, select any of the methods below to perform the update.

Firmware Flash MethodsInformation
Embedded Web Server (EWS) RecommendedOpen a browser and enter the IP address of the printer. Select Settings > Update Firmware.
USB utilityxref_SO4667_xref for the detailed steps.
USB thumb drivexref_HO3453_xref for the detailed steps.
FTPxref_HO487_xref for the detailed steps.
Printer File Loader (USB-Macintosh)xref_HO3465_xref for the detailed steps.

If the issue persists or should you experience difficulties performing the update, contact Lexmark Technical Support for further assistance.

Still need help?

Please contact Lexmark Technical Support if you need additional assistance.
When calling for support, you will be asked for your machine/model type and serial number (SN). If you need help locating these, xref_HO3865_xref.

Please call from near the printer in case the technician on the phone asks you to perform a task involving the printer.


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