This is a Compatible Brother DR510 DR-510 Laser Drum unit guaranteed to perform with Brother Laser Printers. It replaces the original Brother DR510 Laser Drum unit. The compatible replacement DR510 Laser Cartridges and supplies also known as generic are specially engineered to meet the highest standards of quality, reliability and exceptional yields that meet or exceed OEM Original Equipment Manufacturer standards for the DR-510 and offer high-quality printing results. Containing new parts including OPC drums and other internal parts, they are an economical alternative to expensive OEM DR510 Brother Laser Drum units and supplies, and offer big savings over brand-name DR-510 Laser Drum unit and supplies. The use of compatible replacement Laser Cartridges and supplies does not void Printer Warranty. Our Compatible DR510 Laser Drum is a replacement for Brother DR510 / DR-510 Drum unit. The TN570 is the replacement laser toner cartridge that fits into the DR510 drum housing. You can replace the Brother TN570 without replacing the entire DR510 drum housing. We offer a Two Year 100% Quality Satisfaction Guarantee on our Compatible DR510 Laser Toner Cartridges and supplies. For use in the following printers HL Printers HL-5140, MFC MultiFunction Printers MFC-8440, MFC MultiFunction Printers MFC-8220, MFC MultiFunction Printers MFC-8640D, MFC MultiFunction Printers MFC-8840D, DCP Series DCP-8040, HL Printers HL-5170DN, HL Printers HL-5150D, HL Printers HL-5100, MFC MultiFunction Printers MFC-8840DN, DCP Series DCP-8045D, DCP Series DCP-8040D, HL Printers HL-5170DNLT, HL Printers HL-5150DLT, HL Printers HL-5130.