For use in: Sharp AR M208, AR M236, AR M237, AR M256, AR M257, AR M276, AR M277, AR M316, AR M317, AR M318, AR 215, AR 235, AR 275 copiers Replaces OEM part numbers: AR-310NT Toner kit contains: 1 black cartridge Same Yield as the Original: 25,000 pages per cartridge, based on the industry standard ISO/IEC 19752 at 6%