The HP DeskJet 1120C uses two inks: black HP 45 (51645A), good for about 1,100 pages, and tri-color HP 23 (C1823D), good for about 690 pages. Both are standard capacity, and both are compatible ink. The same supplies also fit the DeskJet 710C, DeskJet 712C and DeskJet 720C. Same-day shipping on most orders.
