When contacting Lexmark Technical Support or arranging warranty service, you will need to know MFP's serial number (SN). NOTE: The MFP's serial number is also listed on the Menu Settings Page(s), which you can print from the MFP's operator panel.
This article explains how to find information such as the serial number, top-level indicator (TLI), machine type, and configuration ID on the MFP.
What to do
For Lexmark X543/4/6 For Lexmark X548 Pull out the paper tray (as shown by red arrows). Refer to the blue arrow to find where the information is located. Note: Click images to enlarge.
Still need help?
If you have any questions or encounter issues locating the MFP's information, please contact Lexmark Technical Support. Please be prepared to describe the problem you are experiencing, the error message on the display, and any troubleshooting steps you have already taken to find a solution.
Please call from near the MFP in case the technician on the phone asks you to perform a task involving the MFP. Contact information for service in other countries/geographies can be found on the customer support site.