Brother TN780 Black Toner Cartridge, Super High Yield (TN780)Print manuals, client appreciation letters, and other documents with this toner cartridge. With a super high yield design, this toner cartridge produces up to 12,000 sheets of paper, and the black toner offers sharp, crisp printing of images, logos, and text. This Brother TN780 toner cartridge is compatible with select Brother printers and is easy to install, so you can get your machine up and going quickly.