Genuine Brother TN-320BK black toner cartridge Up to 2,500 prints (declared in accordance with ISO/IEC19798) For use with the HL-4140CN, HL-4150CDN, HL-4570CDW, HL-4570CDWT, DCP-9055CDN, MFC-9460CDN, MFC9465CDN, MFC9970CDW