Speedy Inks Compatible Re-Inking Printer Ribbon Cartridge Replacement for Lexmark 11A3540 (2-Pack) For use in: Forms 2380, 2381, 2390, 2391, 2481, 2490, 2491, 2580, 2580N, 2581, 2581N, 2590, 2590N, 2591, 2591N Color: Black Shelf Life: 24-36 Months The use of aftermarket replacement cartridges and supplies does not void your printer's warranty