FantasyBuy Continuous Ink System for HP printers with new OEM cartridge and black color pigment ink based that are used in HP 564 cartridge such as Photosmart B8550/C6350/C6380/C6388/D5460/D7560 No more Ink Cartridges purchase, No more Cartridges replacement, refillable ink cartridges/ink reservoirs enable countless refills Pre-filled with 145ml Black Pigment based ink and 70ml x 4 colors = 425ml of premium UV(Ultra Violet) Registant Dye based Ink Quick and Easy installation, you will be printing in minutes 80 percent Saving on individual Inkjet Cartridge Auto-reset chipsets reset the cartridges so there is no need to utilize a chip resetter nor take the cartridges out of the printer to refill