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Lexmark MS71x, MS81x, MX71x, & MX81x – The Printer Clicks Off & On and Does Not Stay in Sleep Mode

Document ID:TE577

Usergroup :External
12/06/13 Properties  


Sleep mode not working; Unable to set printer to sleep; Engine code base code do not match


What you will see

The printer does not stay in sleep mode. When it’s time for the printer to go into Sleep mode:

  • It clicks off.
  • 15 seconds later, it clicks on.
  • 10 seconds later, the fan revs up.

The video below demonstrates this behavior.

NOTE: You need Quicktime to view the above video. Click here or the button below to download Quicktime now.





Check the firmware levels installed in the device by printing its Menu Settings page. To do this, navigate through: Menu > Reports > Menu Settings page.

Verify whether both “Base” and “Engine” codes are updated to the latest released levels. Should any of the codes require updating, follow the subsequent steps to download and update your printer’s firmware.

Click Image to Enlarge
In this example, the Engine Code needs updating.


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".

Once you have the latest firmware downloaded, proceed with any of the options below to perform the update.

Firmware Flash Methods Information
Embedded Web Server (EWS) Recommended Open a browser and enter the IP address of the printer. Select Settings > Update Firmware.
USB utility Click here for the detailed steps.
USB thumb drive Click here for the detailed steps.
FTP Click here for the detailed steps.
Printer File Loader
Click here for the detailed steps.


 NOTE: If you are having difficulties performing the update, please contact Lexmark Technical Support.


Still need help?

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

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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