Print outstanding documents with Lexmark's C540A1CG C54x, X54x Return Program Toner Cartridge in cyan. This particular cartridge has an average yield of 1,000 standard pages. This cartridge is also a part of Lexmark's Return Program wherein cartridges are patented and sold at a discount in exchange for the customer's agreement to the license requirement that the cartridges will be used only once and returned only to Lexmark for remanufacturing and/or recycling. The Return Program Cartridges are designed to stop working after delivering a fixed amount of toner.