This is a set of remanufactured HP 950XL / 951XL (Bk / C / M / Y) inkjet cartridges which will work in all HP printers that accept the HP 950 / 951 or 950xl / 951xl ink cartridges. These cartridges are filled to XL (High Capacity) specifications, and come equipped with a new chip that measures the full ink level in the cartridge. These cartridges are made to compare to the original in terms of both quality and page yield standards. These cartridges are compatible with: OfficeJet Pro 251dw, 276dw, 8100, 8600 series and many more.