Speedy Inks - 4PK Lexmark Remanufactured 18C1524#24 Color Ink Cartridge For use in: Lexmark X4550, Lexmark X3550, Lexmark Z1420, Lexmark X3530, Lexmark X4530, Lexmark Z1410, Lexmark X3430 Page Yield: 200 Shelf Life: 12-18 Months Color: Color The use of aftermarket replacement cartridges and supplies does not void your printer's warranty