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