Q-Connect Brother Toner Cartridge Low Yield Black TN320BK. Fits Brother HL-4140CN/4150CDN/4570CDW/4570CDWT, MFC-9460CDN/9465CDN/9970CDW,DCP-9055CDN/9270CDN. Print yield: 2,500 pages. This Q-Connect toner cartridge replaces the TN320BK cartridge in your Brother laser printer to create professional, high standard printouts every time. At just a fraction of the cost of a branded alternative,, it allows you to create fantastic looking documents without breaking the bank. The high quality toner delivers clean, crisp text and vivid images every time for exceptional print results that really catch the eye. It's packed with enough black toner to print up to 2,500 pages.