E-Z Ink (TM) Compatible Ink Cartridge Replacement for Lexmark 200XL Black (2 Pack) Compatible With OfficeEdge Pro4000 Pro4000c Pro5500 Pro5500t Brand: E-Z ink All cartridges are manufactured in an ISO 9001 certified facility All cartridges contain high quality ink that is engineered to produce superb results All products covered by a 100% satisfaction guarantee and 1 year warranty Page Yield: 600 pages per cartridge.