Brother MFC-8840D is a monochrome (black and white) multi-function laser printer. It functions as an all in one laser printer, scanner, copier and fax. The Brother MFC-8840D uses one toner cartridge and one drum unit, the toner cartridge is a standard yield toner and can print up to 3,500 pages at 5% coverage. The toner cartridge model number is TN540 (TN-540). The drum unit model number is DR510 (DR-510), which has a duty cycle of 20,000 pages at 5% coverage. The Brother MFC-8840D media types are plain paper, bond paper, transparencies. The media sizes are letter, legal, executive, A4, A5, A6, B5 and B6. This model has a 300 sheet total input capacity and 50 sheet output capacity. The Brother MFC-8840D print and copy speed is 21 pages per minute. The print resolution is 2400 x 600 dpi, the copy resolution is 600 x 600 dpi and the scanner resolution is 600 X 2400 dpi. This model also features automatic duplexing, 32 MB of memory, USB 2.0, ethernet and parallel connectivity.