Carrot's Compatible Laser Toner Cartridges and supplies for Brother DCP-8040D are designed to offer best print performance, dependability and consistent yields that meet or surpass Brother OEM (Original Equipment Manufacturer) specifications for the Brother DCP-8040D and offer high-quality output. These compatible toners are brand new and are a smart alternative to high-cost OEM Brother laser toner cartridges and supplies, offering substantial savings over the Brother TN570, DR510 supplies. Using compatible replacement laser toner cartridges in your DCP-8040D does not void the printer warranty. Our Brother Compatible DR510 Laser Toner Drum for your Brother DCP-8040D is a replacement for the Brother OEM DR510. The TN570 is a replacement laser toner cartridges that fits into the DR510 drum housing. You can replace the Brother TN570 without replacing the entire DR510 drum housing for your Brother DCP-8040D. After about 6 replacement TN570's, the DR510 will need to be replaced. Enjoy a 100% satisfaction guarantee with great quality Brother DCP-8040D Laser-Toner Cartridges and Printing Supplies.