Enjoy the dependable design of this black fax cartridge. The simple-to-install design lets you insert this cartridge into select Brother all-in-one machines and fax machines easily, while the black color helps text and images stand out sharply against light-colored papers. Thermal transfer print cartridge is designed for use in Brother intelliFax-1170, intelliFax-1270, intelliFax-1270e, intelliFax-1570MC, intelliFax-1575MC, MFC-1770, MFC-1780, MFC-1870MC and MFC-1970MC. It is part of a complete intelligent printing system to provide superior quality. Use only Brother Genuine replacement cartridges for superior results. Cartridge yields approximately 450 pages.