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How to Locate the Serial Number, TLI, Config ID, and Machine Type on a Lexmark C540, C543 or C544 Color Laser Printer

Document ID:SO4609

Usergroup :External


Where is the serial number?; Where is the TLI?; Where is the machine type indicated?


How to locate the serial number; How to locate the Config ID; How to locate the TLI; How to locate the machine type; Serial number; Top Level Indicator (TLI)



This article explains how to find information such as the serial number, top-level indicator (TLI), machine type, and configuration ID on the printer. 

What to do

Pull out the paper tray (as shown by the red arrows). Refer to the blue arrow to find out where the above information is located.

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