Toner Kingdom Ink Cartridge Replacements for Lexmark 23 24 (2 Pack Black, 2 Pack Color) Compatible with Lexmark X3430, X3530, X3550, X4530, X4550, X4500, Z1410, Z1420 Set Includes: 4 Pack, 2 Pack Lexmark 23 / 18C1523 Black & 2 Pack Lexmark 24 / 18C1524 Color Inkjet Cartridges (NON OEM) Page Yield: Black - 215 pages per cartridge & Color-185 pages per cartridge Fits The Following Printer Models: Lexmark X3430, Lexmark X3530, Lexmark X3550, Lexmark X4530, Lexmark X4550, Lexmark X4500, Lexmark Z1410, Lexmark Z1420 Premium Remanufactured items,vivid color,100% Guarantee. Cleaned, fully inspected and refilled with new ink, 100% tested with Good packed.