The use of Brother Genuine replacement high-yield toner cartridges like the TN-315BK produces sharp, black pages with the quality you expect from Brother products. The Brother TN-315BK replacement black toner cartridge is for use with 6 Brother laser printers. This professional cartridge is intelligently engineered to work in seamless unison without compromising the quality of the print. The Brother Genuine TN-315BK replacement high-yield black toner cartridge can print approximately 6,000 pages(1). Brother is dedicated to being environmentally responsible and offers disposal programs for properly discarding its cartridges. This replacement cartridge is for use with the following Brother printers and all-in-ones; HL4150CDN, HL4570CDW, HL4570CDWT, MFC9460CDN, MFC9560CDW, MFC9970CDW. (1)Approx. toner cartridge yields in accordance with ISO/IEC 19798 (Letter/A4) standards.