Brother MFC-8670DN is a monochrome (black and white) multi-function laser printer. It functions as a laser printer, scanner, copier and fax. It features duplex printing and scanning, 32 MB of memory, USB, parallel and ethernet connectivity. The Brother MFC-8670DN uses two toner cartridges and one drum unit, the toner cartridges consist of a standard yield and a high yield toner. The standard yield can print up to 3,500 pages at 5% coverage, while the high yield can print up to 7,000 pages at 5% coverage. The toner cartridge model numbers are TN550 (TN-550) which is the standard yield and TN580 (TN-580) which is the high yield toner. The drum unit model number is DR520 (DR-520), which has a duty cycle of 25,000 pages at 5% coverage. The Brother MFC-8670DN print speed is 30 pages per minute with the first page out in 10 seceonds and the copier speed is 30 copies per minute. The print resolution is 1200 x 1200 dpi, the copier resolution is 1200 x 600 dpi, the scanner resolution is 600 x 2400 dpi and the fax resolution 203 x 98 dpi. The Brother MFC-8670DN supported media types are plain paper, bond paper, recycled paper, envelopes, labels and transparencies. The media sizes are letter, legal, executive, A4, A5 and B5. The Brother MFC-8670DN has a 250 sheet total media capacity and 150 sheet output capacity, its has a maximum monthly duty cycle of 20,000 printed pages.