Daryo New Compatible Ink Cartridge Replacement for HP 950XL 951XL New Chip (1 Black, 1 Cyan, 1 Magenta, 1 Yellow) 4 Pack Show Ink Level, Compatible with HP OfficeJet Pro 251dw, 8600 printers ISO9001, IS014000 Certified. Faulty Rate is less than 2%. Compatible Printers: HP OfficeJet Pro 251dw, 276dw, MFP8100, 8600, 8600 Plus, 8600 Premium, 8610, 8615, 8620, 8625, 8630 printers, etc New Generation chipset guaranteed to work with ALL new printers, Show ink level Page Yield (5%): 1800 pages for black (75ml) ;650 pages for color (28ml) Warranty: 2 years with 100% replacement guaranteed