The Kyocera FS 2000DN Toner Cartridges will eject deep and rich black tones, ideal for the small business or office environment. Each Compatible Kyocera-Mita TK-312 Black Copier Toner Cartridge for your Kyocera fs2000dn Printer has up to a 2 year shelf-life, providing definitive convenience and performance. The Compatible Kyocera laser toner cartridges have a space saving design which easily installs, to reduce downtime normally spent on complicated replacement procedures. The Compatible Kyocera Toner Cartridges go through a vigorous inspection process to ensure outstanding printing results. And all of our Mita Kyocera Toner Cartridges are backed by a 90 day money back guarantee.