Brother MFC-7840W is a monochrome (black and white) multi-function laser printer. It functions as an all in one laser printer, scanner, digital copier and fax. The Brother MFC-7840W supported media types are plain paper, envelopes, recycled paper, bond paper, labels and transparencies. The media sizes are letter A size, legal, executive, A4 and B5. The print resolution is 2400 x 600 dpi with Image Enhancement Technology, the copier resolution is 600 x 600 dpi and the scanner resolution is 600 x 2400 dpi. The Brother MFC-7840W has a 250 sheet total input capacity and 100 sheet output capacity. The print speed is 23 pages per minute with the first page out in 10 seceonds and the copier speed is 23 copies per minute. The Brother MFC-7840W 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 1,500 pages at 5% coverage, while the high yield can print up to 2,500 pages at 5% coverage. The toner cartridge model numbers are TN330 (TN-330) which is the standard yield and TN360 (TN-360) which is the high yield toner. The drum unit model number is DR360 (DR-360), which has a duty cycle of 12,000 pages at 5% coverage. This model also features a 32 MB memory, USB, parallel and wireless connectivity.