The HP OfficeJet Pro K550 Dtwn uses remanufactured ink: black C9396AN (88XL) for about 2,350 pages, plus cyan C9391AN (88XL), magenta C9392AN (88XL) and yellow C9393AN (88XL), each for about 1,210 pages. All four are standard capacity. The same supplies also fit the OfficeJet Pro K550, OfficeJet Pro K550dtn and OfficeJet Pro K5400. Same-day shipping on most orders.
