The Brother MFC-8840D is a flatbed laser multifunction machine that effectively combines performance, connectivity, and reliability. It works as a convenience copier, a flatbed scanner, a full-feature fax, and a fast laser printer with print speed of up to 21 ppm at up to 2400 x 600 dpi resolution. Enjoy all these functions in one tough machine. If you've got one, make sure to equip it with only the highest-quality replacement toner cartridge or drum unit there is. Inkjets.com has got what you need—we have been providing superior-quality compatible toner cartridges and printer supplies for more than two decades now. For your MFC-8840D, we carry the Brother DR510 Compatible Black Drum Unit that is designed to work on your printer or your money back. Shop here now!