Return Program toner cartridge delivers dependable performance page after page. Extra high-yield cartridge is designed for use with Lexmark C792 and X792 printers. Superior Lexmark design means precision pairing between printer and cartridge for value, quality and environmental responsibility you can count on. Choose Genuine Lexmark supplies for genuine Lexmark results. 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. Cartridge generates up to 20,000 standard pages.