Brother DCP-L2540DW 3-in-1 ( Copy , Print , Scan ) Mono Laser Multi-Function Automatic Duplex Wireless Printer - Black Brand : Brother Model : DCP-L2540DW Print Technology: Laser printing technology Print Speed: Up to 30 pages per minute (ppm) Print Resolution: Up to 2400 x 600 dpi (dots per inch) Duplex Printing: Automatic duplex printing for double-sided documents Copy Speed: Up to 30 copies per minute Copy Resolution: Up to 600 x 600 dpi Scan Technology: Color flatbed scanner with ADF (Autom