ADE Products &copy; Compatible High Yield Replacement for Brother TN310BK, Brother TN310 Black for use in Brother HL-4150CDN, HL-4570CDW, HL-4570CDWT, MFC-9460CDN, MFC-9560CDW, MFC-9970CDW Printers Guarantee: 1-Year Warranty, 100% Satisfaction Guarantee, 18 Month Shelf Life Color: Black Yield: 6,000 pages based on 5% coverage of Letter/A4 Compatible Printers: Brother HL-4150CDN, HL-4570CDW, HL-4570CDWT, MFC-9460CDN, MFC-9560CDW, MFC-9970CDW Packaged properly to prevent toner dry out and any external damage to the toner cartridge.