ACOLOR CISS ink tank for hp 21 22 56 57 817 802 60 61 62 63 74 75 122 99 98 97 96 95 94 93 92 901 ink Cartridge Continuous Ink Supply System accessories Empty CISS ink tank for HP 21 22 816 817 802 60 61 74 75 99 98 97 96 95 94 93 92 901 122 inkcartridge, need yourself install it with your own cartridge Continuous Ink System CISS for HP for Canon Inkjet Cartridge,Universal model, without cartridge, need yourself connect it with your own cartridge, if need help about the installation, contact us any time Empty easy to refill, just use Syringes, remove the color plug, inject the ink, and put the plug back in. Can compatible for dye ink, pigment ink, also can inquiry us about the ink for your choice save 95% printer cost - After you install, you will not have to replace the cartridge, just add ink