Our Kyocera-Mita compatible TK-3122 black laser toner cartridge is a replacement for Kyocera-Mita TK-3122 / 1T02L10US0. The TK-3122, manufactured 100% brand new with a new chip, is an economical alternative to expensive OEM TK-3122 Kyocera-Mita laser toner cartridges and supplies, and offer big savings over brand-name TK-3122 laser toner cartridges and supplies. The use of compatible replacement laser toner cartridges and supplies does not void your printers warranty.We offer a Two Year 100% Quality Satisfaction Guarantee on our compatible TK-3122 laser toner cartridges and supplies. LD Cartridges are manufactured in an internationally certified ISO 9002 factory. LD cartridges come with a 100% Two Year money back guarantee and technical support. For use in the following printers Kyocera-Mita Kyocera Mita FS-4200dn.