The HP OfficeJet 5110xi uses compatible ink: HP 15 (C6615DN) in black, rated at about 840 pages, and HP 78 (C6578AN) in tri-color, rated at about 710 pages. Both are standard-yield. The same ink also works with the OfficeJet 5110, OfficeJet 5110v and OfficeJet V40. Same-day shipping on most orders.
