Printronic Remanufactured Ink Cartridge for Dell M4640 M4646 Series 5 (1 Black 1 Color) Supported printers: Dell 922, Dell 924, Dell 944, Dell 962, Dell 964, Dell 942, Dell 946 Individually factory sealed Sold exclusively by OCinkjet Remanufactured under strict standards One year factory warranty against product defect