Purchase your OEM (Genuine) Lexmark C540X75G toner cartridge from us and save on product price and fast and inexpensive shipping. This OEM Lexmark C540X75G cartridge is a genuine Lexmark toner cartridge that delivers excellent performance and exceptional prints. It works with Lexmark C540, C543, C544, C546, X543, X544, X546, X548, CS310, CS410, CS510, CX310, CX410, CX510, XC2132 and more. 18000 Yield Color/36000 Yield Black.