Extra-high yield toner cartridge is designed for use with Lexmark X463de, X464de, X466de, X466dte & X466dwe. Superior Lexmark design means precision pairing between printer & cartridge for value, quality & environmental responsibility you can count on. Choose Genuine Lexmark supplies for genuine Lexmark results. Return Program toner cartridge is a patented device that is sold at a special price subject to the restriction that the cartridge may be used only once. Following the initial use, return the cartridge only to Lexmark for remanufacture & / or recycling. Cartridge yields approximately 15,000 pages.