| The UX-C70B is a black ink cartridge designed for use with Sharp's UX-B700 fax machine. It has a duty cycle of approximately 500 pages. It is also easy to install and replace. Simply open the cartridge cover, insert the cartridge until it snaps into place, and close the cover. One cartridge is provided per box. Black replacement ink cartridge for the SHARP UXB700 Fax / Yields approximately 500 pages ALSO UX-A1000 UX-B20 UX-B25 Thermal-Film Cartridge (450 page capacity) for selected Sharp UX-series Fax units | 
