Cartridge World Remanufactured Ink Cartridge Replacement for HP 78 (Tri-Color) Remanufactured IN THE USA . This cartridge was tested in State-of-the-Art facilities prior to packaging to ensure print quality. 100% SATISFACTION GUARANTEE Replacement for HP 78 (Tri-Color) (OEM #C6578DN). Includes FREE recycling program courtesy of Waste Management-return bag or postage paid label to insure recycling of empty ink cartridges Color: Tri-Color - INK engineered specifically for your cartridge Page Yield equal to or greater than OEM: approximately 560 pages - WHY PAY MORE TO PRINT? Compatible with these printers: HP DESKJET 3820, 6122, 9300, 1220C, 920C, 930C, 932C, 935C, 940C, 950C, 952C, 960C, 970C, 990C, 995C; OFFICEJET G55, G55XI, G85, G85XI, G95, K60, K60XI, K80, K80XI, V40, V40XI; PHOTOSMART P1000, P1100, P1215, P1218; PSC 750, 950. DOES NOT AFFECT PRINTER WARRANTY.