The HP OfficeJet Pro K550dtn uses remanufactured ink: HP 88XL (C9396AN) black at about 2,350 pages, plus HP 88XL (C9391AN) cyan, HP 88XL (C9392AN) magenta and HP 88XL (C9393AN) yellow at about 1,210 pages each. All four are standard capacity. The same ink also fits the OfficeJet Pro K550, OfficeJet Pro K5400 and OfficeJet Pro K8600. Same-day shipping on most orders.
