Laser - 2000 Pages - Cyan - 1 EachHigh-yield toner cartridge is designed for use in Lexmark C540, C540DW, C540N, C543, C543DN, C544, X543, X544, X546 and X548 Series. Lexmark Return Program Cartridges are sold at a discount, vs. the prices of regular cartridges, in exchange for the customer's agreement to use the cartridge only once and return it only to Lexmark for remanufacturing or recycling.Listing and template services provided by inkFrog