Printronic Remanufactured Ink Cartridge Replacement for Lexmark 50 Lexmark 20 4 Pack (2 Black, 2 Color) Backed by a 100% Guarantee and a One-Year Warranty Remanufactured under strict standards Individually factory sealed Supported printers: Lexmark 3100, Lexmark P3150, Lexmark P707, Lexmark Z705, Lexmark Z715