The HP OfficeJet Pro 1170 uses two compatible ink cartridges: HP 45 (51645A) in black, rated at about 1,100 pages, and HP 23 (C1823D) in tri-color, rated at about 690 pages. Both are standard capacity. The same ink also fits the OfficeJet Pro 1170 Cs, OfficeJet Pro 1170 Cx and OfficeJet Pro 1175. Same-day shipping on most orders.
