The HP DeskJet 3745 uses two ink cartridges: HP 27 (C8727AN) in black, rated at about 220 pages, and HP 28 (C8728AN) in tri-color, rated at about 190 pages. Both are standard-capacity, remanufactured ink. The same supplies also fit the DeskJet 3320, DeskJet 3322 and DeskJet 3420. Same-day shipping on most orders.
