The Brother HL-2140 is a compact and professional high-quality mono laser printer. It offers fast, high-quality, cost-effective printing for small offices or home businesses. It is compatible with Windows, Mac, and Linux systems, and has full-speed USB 2.0 connectivity. With a 250-sheet paper tray, it can handle large print runs without frequent refilling, and it can also handle special media types such as envelopes. With its surprisingly low price and separate toner cartridge, it provides a low-cost solution for mono laser printing.