Inksky EMPTY Refillable Cartridges canon PGI-220 CLI-221 5PCS FOR CANON printer models:IP3600 IP4600 IP4700 MX860 MX870 MP560 MP620 MP620B MP640 MP640R Easy to fill,Pigment Black one can be refilled about 25ML ink,the others cartridge can be refilled about 12ML ink,just fill ink full into cartridge by syringe,no use vacuum refill method,no need special filling tool and special technician Compatible reset chip fitted-easy to use and reset,allows you to continue using the same cartridge,you will continue using the same cartridge again and again Our refillable system cartridges designed specifically for continuous use, it can be refilled all types of ink:Pigment/Dye/Edible See through design lets you see exactly what you're doing, and how much ink there is inside