JARBO 2Set+2BK High Yield Replacement for Hp 934 935 Ink Cartridge Compatible with Hp Officejet Pro 6230 6815 6812 6835 6836 All-in-one Printer Not Use with HP Officejet Pro 6830 2Set+2BK, Affordable, With chip and ink(Non-OEM),work with all new printers.Show accurate ink levels. High capacity,page yeild:1,000pages/Black and 825pages/Color Contents: HP 934XL 935XL Ink 4xBlack,2xCyan,2xMagenta,2xYellow 10 pack Printer compatibility:HP Officejet Pro 6230 6815 6812 6835 6836 All-In-One Printer ISO-9001 and MSDS certificate approved,1 year limited warranty.