The HP LaserJet Pro 400 M401dw Printer is a reliable and efficient monochrome laser printer that offers high-quality black and white prints at a resolution of 1200 x 1200 DPI. With a maximum resolution of 1200 x 1200 DPI and a fast black print speed of 35 ppm, this printer is perfect for quickly and accurately printing professional documents in a business or office setting. It also features wireless connectivity, allowing for easy printing from laptops, tablets, and other devices. Additionally, the duplex feature enables double-sided printing, saving paper and ink while maintaining print quality.