Brother HL-6180DWT is a monochrome (black and white) workgroup laser printer. The fast 42 pages per minute print speed with first page out in 8.5 seconds, means printing projects can be completed in less time which makes it efficient for small workgroups. The print resolution is a high quality 1200 x 1200 dpi, which makes each print look professional and sharper. The Brother HL-6180DWT has a 1050 sheet total input capacity and 150 sheet output capacity, it includes 2 x 500 sheet capacity and 1 x 50 sheet capacity. It's monthly duty cycle is 100,000 pages. The Brother HL-6180DWT media types are envelopes, transparencies, labels, plain paper, bond paper and recycled paper. The media sizes are letter A size, legal, executive, A4, A5, B5, B6 and folio. This model also features automatic duplexing, 128 MB of memory, 400 MHz processor, USB, ethernet and wireless connectivity. The Brother HL-6180DWT 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 8,000 pages at 5% coverage. The toner cartridge model numbers are TN720 (TN-720) which is the standard yield and TN750 (TN-750) which is the high yield toner. The drum unit model number is DR720 (DR-720), which has a duty cycle of 30,000 pages at 5% coverage.