The HP DeskJet 970 Cse uses two compatible ink cartridges: HP 45 (51645A) in black, rated at about 1,100 pages, and HP 78 (C6578AN) in tri-color, rated at about 710 pages. The same supplies also fit the DeskJet 970 Cxi, DeskJet 960 Cse and DeskJet 960C. Same-day shipping on most orders.
