Lexmark 12A7632. Black toner page yield: 21000 pages, Printing colors: Black, Quantity per pack: 1 pc(s)Compatible Printers: Lexmark T 630, Lexmark T 632 Dtnf, Unisys UDS 140, Lexmark Optra T 634 TN, Lexmark Optra T 632, Lexmark T 630 DN, Lexmark T 634,...