For use with the following models: DCP-9040CN, DCP-9045CDN, HL-4040CDN, HL-4040CN, HL-4070CDW, MFC-9440CN, MFC-9450CDN, MFC-9840CDW. Keeps your machine printing accurate, crisp pages. Replace all four drums with one easy cartridge installation. Trust Brother genuine supplies for the best quality, yields, and performance you can consistently rely on. Always use Brother Genuine supplies for best results. Safeguard your investment with Brother Genuine intelligently-engineered and performance-tested supplies.