LxTek Remanufactured Ink Cartridge Replacement For HP 78 (2 Tri-Color) C6578DN These LxTek remanufactured ink cartridges contain high quality ink that has been formulated for optimum performance. All cartridges have been tested to ensure a hassle free printing experience. Package Contents: 2 Pack of LxTek Remanufactured HP 78 ink cartridges - 2 Tri-Color Compatible Printers: Deskjet 6122 Deskjet 920c FAX 1220 Officejet 5110 Officejet G55 Officejet K60 Officejet K80 Officejet V30 Officejet V40 Photosmart 1000 Photosmart P1000 PSC 720 PSC 950 . List may not contain all models. Page Yield : 560 Pages per Tri-Color (dye based ink) Cartridge at 5% coverage Warranty: All products come with a 1-year limited warranty / Shelf Life: All products have a shelf life of 18-24 months