Brother DCP-B7640DWB is a feature-rich 3-in-1 Multifunction Monochrome (Black & White) Laser Printer designed for maximum efficiency and low running costs in a busy small to medium office environment.
Speed & Quality: High-speed printing up to 34 pages per minute (ppm) and a sharp print resolution of up to $1200 \times 1200$ DPI.
Automatic Duplex Printing: Built-in support for Automatic 2-sided (Duplex) printing (for print and copy) to save paper and professionalize documents.