The HP 350 XL Black Ink Cartridge uses HP Vivera inks for superior print quality.This economical, high yield black ink cartridge offers a page yield of approximately 1000 printed pages - 5 times that of a standard sized HP 350 cartridge!HP's 350 XL cartridge is compatible with HP Deskjet D4260, Officejet J5780 multifunction, Officejet J5785 multifunction, Photosmart C4280 multifunction & Photosmart C5280 multifunction printers.