Brother HL-1670N is a monochrome (black and white) workgroup laser printer. It features automatic duplexing, 16 MB RAM, 100 MHz processor, ethernet, USB and parallel connectivity. The Brother HL-1670N media types are plain paper, bond, transparencies, labels and card stock. It's media sizes are letter A size, legal, executive, A4, A5, A6 and B6. It has a print resolution of 2400 x 600 dpi, the print speed is 16 pages per minute with first page out in 12 seconds. The Brother HL-1670N uses one toner cartridge and one drum unit, the toner cartridge is a high yield toner and can print up to 6,500 pages at 5% coverage. The toner cartridge model number is TN560 (TN-560). The drum unit model number is DR500 (DR-500), which has a duty cycle of 20,000 pages at 5% coverage. The Brother HL-1670N has a 350 sheet input capacity, it includes 1 x 250 sheets lower paper tray and 1 x 100 sheets multi-purpose tray.