InkOwl Toner Refill Kit for SAMSUNG CLT-K407S (Black, 1-Pack, with reset chip) Includes 1 bottle of Ink Owl premium formulation toner, 1 spout for easy pouring, 1 reset chip, a pouring funnel along with detailed, graphic instructions. For the proper functioning of the refilled cartridge, we have included a replacement reset chip. Our instructions will guide you step-by-step through the entire refill process including replacing the chip. Includes 68g of toner powder for 1500 pages at 5% page coverage. This is the same yield as the original SAMSUNG cartridge. Note that the chip supplied in this particular kit is the North American version for USA/Canada.