Thank you for your feedback

How to Locate the Serial Number, TLI, and, Machine Type on a Lexmark CS720, CS725 & CX725 Printer/MFP

Document ID:HO4001

Usergroup :External


Serial number location; SN; Warranty service call; Machine type; Printer model type; TLI number



When contacting Lexmark Technical Support or arranging warranty service, you will need to know your printer's machine (model) type and serial number. This article explains how to find information such as the serial number (SN), top-level indicator (TLI), and machine type on the printer.


Locating the label


Step Action Click Image to Enlarge
1 Open the printer's front cover.
2 Look for a sticker where the information above is located. See the location pointed by the red arrow on the right-hand image.


NOTE: The printer's serial number is also listed on the menu settings page that you can print using the printer.


Still need help?

If you require additional assistance, please close this window and locate  Get In Touch with Lexmark! for contact information. NOTE: When calling for support, you will need your printer model/machine type and serial number (SN).

Please be near the products described in this article to expedite the support process and reduce callbacks.

Please enter the email address you would like to send a copy of this page to.