InkOwl Toner Refill Kit for SAMSUNG CLT-406S series (4-Pack, with reset chips) Includes 4 bottles of Ink Owl premium formulation toner, 4 spouts for easy pouring, 4 reset chips, a pouring funnel along with detailed, graphic instructions. For the proper functioning of the refilled cartridge, we have included replacement reset chips. Our instructions will guide you step-by-step through the entire refill process including replacing the chip. Note that an electric drill is required for this model. Includes 68g of black toner powder and 45g of each color for the full 1500-page yield of black and 1000-page yield of color (at 5% coverage) just like the original SAMSUNG cartridges. Note that the chip supplied in this particular kit is the North American version for USA/Canada.