Thermal transfer print cartridge designed for use in Brother intelliFax-750, intelliFax-770, intelliFax-775, intelliFax-775SI, intelliFax-870MC, intelliFax-875MC, intelliFax-885MC, and MFC-970MC. Cartridge yields approximately 250 pages. Use this black fax cartridge to stock up your copy room. The black color gives text and images stark contrast against white papers, promoting strong readability, while the toner resists smearing, so prints stay crisp and clean. These Brother PC-301 fax cartridge is easy to install in a wide array of Brother IntelliFax machines, switching out easily to eliminate downtime.