Brother TN436BK Toner Cartridge, Super High Yield (TN436BK)Cover the printing needs of your office with this toner cartridge. Designed to integrate seamlessly with select Brother machines, this toner cartridge offers simple installation and produces high quality prints. This Brother cartridge features black toner for crisp, noticeable results and a yield of up to 6,500 pages, making it an ideal candidate for medium sized offices.