HOTCOLOR Ink Combo for Lexmark 23, 24 Black/Color Z1410, Z1420, X3530, X3550, X4530, X4550 (2 x #23 Black & 2 x #24 Color) 1.Black Lexmark 23 yields up to 500 pages, Color Lexmark 24 ink cartridge yields up to 800 pages (per cartridge @ 5% coverage). 2 Packing list: Remanufactured ink cartridge 2 Black+2 Color 3.Cleaned, fully inspected and refilled with new ink 4.Not made by Lexmark 5.Suitable for Lexmark printer: Z1410 Z1420 X3530 X3550 X4530 X4550 Z1400