Brother MFC-7240 is a monochrome multi-function printer. It functions as a fax, copier, printer and scanner. This model 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 3,000 pages at 5% coverage, while the high yield can print up to 6,000 pages at 5% coverage. The toner cartridge model numbers are TN420 (TN-420) which is the standard yield and TN450 (TN-450) which is the high yield toner. The drum unit model number is DR420 (DR-420), which has a duty cycle of 20,000 pages at 5% coverage. The Brother MFC-7240 print speed is 27 pages per minute with the first page out in 10 seceonds and the copier speed is 27 copies per minute. The fax modem speed is 14.4 Kbps, with up to 400 pages of memory. The supported media types are plain paper, envelopes. The media sizes are letter A size, legal, executive, A4, A5, A6 and B5. It has a 250 sheet total media capacity and 100 sheet total output capacity. The maximum monthly duty cycle is 10,000 impressions. The print resolution is 2400 x 600 dpi, the copier resolution is 600 x 600 dpi and the scanner resolution is 600 x 600 dpi.