High-yield toner cartridge is designed for use with Lexmark T630, T630dn, T630n, T632, T632dtn, T632dtnf, T632n, T632tn, T634, T634dtn, T634dtnf, T634n, T634tn, X630, X632, X632e, X632s, X634dte & X634e. Toner delivers outstanding results page after page. Superior Lexmark design means precision pairing between printer & cartridge for value, quality & environmental responsibility you can count on. 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 & return it only to Lexmark for remanufacturing or recycling. Cartridge yields approximately 21,000 pages.