Ink Toner Remanufactured Ink Cartridge Replacement for HP 950XL ( Black,Cyan,Magenta,Yellow , 8-Pack ) ITEM DESCRIPTION :2 x 950XL-BLACK 2 x 951XL-CYAN 2 x 951XL-MAGENTA 2 x 951XL-YELLOW COMPATIBILITY: Office Jet Pro 8100e Office Jet Pro 8600e , 8610 8620 8630 8640 8660 8615 8625 Printers Specification: For hp officejet pro 8610 8620 8630 8640 8660 8615 8625 printers is the newest printer , only the newest cartridge for hp 950 951 can be used in this series printer.Also , the newest cartridge still can be used for old printer for HP Officejet Pro 8100/8600 e-All-in-One, but the old cartridge of hp 950 951 can not be used on the newest series printer.