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