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