HP OfficeJet 6815 Ink Cartridges

The HP OfficeJet 6815 uses remanufactured high yield ink: HP 934XL (C2P23AN) for black, plus HP 935XL (C2P24AN) cyan, HP 935XL (C2P25AN) magenta and HP 935XL (C2P26AN) yellow. Each is rated at about 1,000 pages. A 4-pack with 4 black ink cartridges is also available. The same supplies also fit the OfficeJet 6812, OfficeJet 6820 and OfficeJet Pro 6220. Same-day shipping on most orders.