The high-yield HP 934XL Black Ink Cartridge offers crisp, high-quality colour images that resists fading and stand out. The cartridge delivers consistent results that dry fast, resist water and get noticed. These HP cartridges are compatible with the HP OfficeJet Pro 6830 e-All-in-One and HP OfficeJet Pro 6230 printers. Enjoy professional results and minimise wasted prints with the HP 934XL Black Ink Cartridge.