RIGHTINK Remanufactured Ink Cartridge Replacements for Lexmark 23 ( 2Pack Black ) Compatible with Lexmark X3430, X3530, X3550, X4530 Packing Listing: 2x Black Lexmark23 Type: Premium Remanufactured items, Not made by Lexmark but work as same as original one. Gurantee:Good after-sales service and all products covered by a 100% satisfaction guarantee and 90 days warranty Fits The Following Printer Models: Lexmark X3430, Lexmark X3530, Lexmark X3550, Lexmark X4530, Lexmark X4550, Lexmark X4500, Lexmark Z1410, Lexmark Z1420 All ink cartridges are manufactured in an ISO 9001 certified facility. All ink cartridges are engineered to produce superb results.