This is a Compatible Brother DR300 DR-300 Laser Drum unit guaranteed to perform with Brother Laser Printers. It replaces the original Brother DR300 Laser Drum unit. The compatible replacement DR300 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-300 and offer high-quality printing results. Containing new parts including OPC drums, wiper blades, and other internal parts, they are an economical alternative to expensive OEM DR300 Brother Laser Drum units and supplies, and offer big savings over brand-name DR-300 Laser Drum unit and supplies. The use of compatible replacement Laser Drum Units and supplies does not void Printer Warranty. Our Compatible DR300 Laser Drum is a replacement for Brother DR300 / DR-300 Drum Unit. The TN300 is the replacement laser toner cartridge that fits into the DR300 drum housing. You can replace the Brother TN300 without replacing the entire DR300 drum housing. We offer a Two Year 100% Quality Satisfaction Guarantee on our Compatible DR300 Laser Drum Units and supplies. For use in the following printers HL Printers HL-820, MFC MultiFunction Printers MFC-P2000, HL Printers HL-P2000, HL Printers HL-1070, HL Printers HL-1060, HL Printers HL-1050, HL Printers HL-1040.