FantasyBuy Bulk Continuous Ink System (CIS) for No more Ink Cartridges purchase, No more Cartridges replacement, refillable ink cartridges/ink reservoirs enable countless refills Pre-filled with 100 ml x 8 colors = 800 ml of premium UV Resistant 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