Average Continuous Black Declared Cartridge Yield up to 2,500 standard pages in accordance with ISO/IEC 19798.Compatible Printers: Lexmark C 544 DN, Lexmark X 548 DTE, Lexmark Optra C 544 DTN, Lexmark X 543 DN, Lexmark X 544 DTN, Lexmark Optra C 546 DTN, Lexmark X 548 DE, Lexmark C 544 DW, Lexmark X 544 DW, Lexmark X 544 DN, Lexmark Optra C 544 DN, Lexmark Optra C 543 DN, Lexmark C 544 DTN, Lexmark X 546 DTN, Lexmark C 546 DTN, Lexmark Optra C 544 N, Lexmark Optra C 540 N, Lexmark C 543 DN, Lexmark X 544 N, Lexmark Optra C 544 DW, Lexmark C 544 N, Lexmark C 540 N, Lexmark C 544 Series