E-Z Ink (TM) Remanufactured Ink Cartridge Replacement For Dell Series 5 M4640 M4646 High Yield (2 Black, 2 Color) Compatible With Dell 922 Del 962 Dell 924 Dell 964 Dell 944 Dell 942 Printer Brand: E-Z ink Page Yield: Black is 480 pages per cartridge. Color is 450 pages per cartridge. Cartridges have undergone an extensive process which includes: cleaning of all dry/excess ink, re-filling cartridge to OEM capacity, and testing to ensure quality and compatibility All cartridges remanufactured using ISO 9001 Certified Process All products covered by a 100% satisfaction guarantee and 1 year warranty