InkOwl Toner Refill Kit for LEXMARK MX310, MX410, MX510, MX511, MX610, MX611 (1-Pack, 10000 pages, with reset chip) Includes 1 bottle of Ink Owl premium formulation toner, 1 new reset chip, a spout for easy pouring 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. The bottle contains 300g of toner powder for a total of 10000 pages at 5% page coverage. Note that the chip supplied in this particular kit is the North American version for USA/Canada.