Bulk Continuous Ink System (CIS) for No more Ink Cartridges purchase, No more Cartridges replacement. Pre-filled with 125 ml x 2 colors and 100ml x 4 colors = 650 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.