The HP OfficeJet V40 uses compatible ink: 15 (C6615DN) in black for about 840 pages and 78 (C6578AN) in tri-color for about 710 pages. Both are standard capacity. The same ink also fits the OfficeJet 5110, OfficeJet 5110v and OfficeJet V40xi. Same-day shipping on most orders.
