Brother MFC-8440 is a monochrome (black and white) multi-function laser printer. It functions as a printer, scanner, copier and fax. The Brother MFC-8440 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. It has a 300 sheet total input capacity. The Brother MFC-8440 media types are plain paper, bond paper, transparencies. The media sizes are letter, legal, executive, A4, A5, A6, B5 and B6. This model also features 32 MB of memory, USB 2.0 and parallel connectivity. The Brother MFC-8440 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.