21000 Page Yield. Pay less than name brand printer replacements. Fully backed with a 100% performance guarantee. Produces clear, sharp, professional grade prints. Machine Compatibility: Lexmark T630, T630DN, T630N, T630N VE, T630VE, T632, T632DTN, T632DTNF, T632N, T632TN, T634, T634DTN, T634DTNF, T634N, T634TN, X630, X632, X632E...Toner Cartridge (High Yield), Lexmark Compliant, Special Label Applications Compatible