HQ Supplies &copy; Remanufactured Replacement Toner Cartridge for Brother TN-310 Black, TN310BK for use in Brother HL-4150CDN, HL-4570CDW, HL-4570CDWT, MFC-9460CDN, MFC-9560CDW, MFC-9970CDW Printers Best Real Savings Option for Corporations, Educational Institutions, Organizations, and Businesses in printing Business (Tax Preparation, Illustration, School related, legal documents, medical, any paperworks, etc...) Level High Quality Printing Prints like original! Clear, sharp and consistently accurate high quality printouts. Specially engineered to meet the highest standards of quality, reliability and exceptional yields. Page Yield: 6,000 pages in accordance with ISO/IEC 19798 (Letter/A4). Page yield based on ISO/IEC 19798. Actual yield varies considerably based on content of printed pages and other factors. Compatible Printers: Brother HL-4150cdn, HL-4570cdw, HL-4570cdwt, MFC-9460cdn, MFC-9560cdw, and MFC-9970cdw