Return Program toner cartridge delivers consistently outstanding image quality, long-life system reliability and superior sustainability in an innovative, shake-free print system. Maximize your savings and enjoy premium quality with this Genuine Lexmark cartridge in Lexmark MS71 and MS81x. Lexmark Return Program Imaging Units are patented devices that are sold at a special price subject to the restriction that the imaging unit may be used only once. Following the initial use, the customer agrees to return the imaging unit only to Lexmark for remanufacture and/or recycling. High-yield cartridge yields approximately 25,000 pages.