The HP DeskJet 830C ink set has two parts: HP 45 (51645A) is the black ink, rated at about 1,100 pages, and HP 23 (C1823D) is the tri-color ink, rated at about 690 pages. Both are standard-capacity compatible ink cartridges. The same supplies also fit the DeskJet 832C, DeskJet 880C, and DeskJet 890. Same-day shipping on most orders.
