Lexmark Black and Color Imaging Kit - Cyan/Magenta/Yellow, Original, Up to 30,000 pages, for Lexmark C540, C543, C544, C546, X543, X544, X546, X548 - C540X74G at TigerDirect.com
Cartridge compatible with Lexmark C540/C544, C540H2KG Compatible Black Toner Cart - Walmart.com
Lexmark C540 C543 C544 C546 X543 X544 X546 Maintenance Kit (110-127V) (Includes Image Transfer Unit (ITU) Assembly Fuser Assembly Duplex Reference Edge Guide) (60000 Yield) - Government Office Technologies
Image Transfer Unit (ITU) TRANSFER BELT ASSEMBLY For Lexmark C540 C543 C544 X543 X544 X548 C544DN C544DTN C544N C546DTN 40X5403|transfer belt assembly|transfer beltimage transfer - AliExpress
Lexmark C540n Reviews, Pros and Cons | TechSpot
Lexmark C540X71G Drum Photoconductor Black C540 C540n C543 C543dn C544 C544dn C544dtn C544dw C544n C546 C546dtn X543 X543dn - Sun Data Supply
TCT Premium Compatible Toner Cartridge Replacement for Lexmark C540 C540H1CG Cyan works with Lexmark C540N C546DTN, X543DN X548DTE Printers (2,000 Pages) - Walmart.com
Lexmark C540 Toner Cartridge Black High Yield Replacement by Smart Print Supplies
Compatible for Lexmark C544 Color Toner Cartridge 540 Toner Cartridge for Lexmark C540/C543/C544/C546/C548 Printer With Chip|Ink Cartridges| - AliExpress