HP 934XL Original Ink Cartridge High Yield Black C2P23AEDesigned to prevent clogging and corrosion, this original HP 934XL cartridge works with your HP printer to deliver professional results every time. Providing crisp black text and sharp graphics, the ink is dry in an instant for a smear free finish, and a high page yield of 1000 pages provides great value for frequent printing. Colour: Black Page Yield: 1000 Pages Compatible with HP OfficeJet Pro 6230 ePrinter 8620 e All In One Printer Inkjet Cartridge