Upon activation, the Amazon Dash Replenishment service measures the toner level and automatically orders toner from Amazon when low. This ensures that you never run out again.</br>Print and copy at up to 40 ppm</br>Built-in wireless 802.11b/g/n and Ethernet network interfaces</br>Legal-size document glass</br>Automatic duplex (two-sided) printing and 300-sheet paper capacity (expandable).</br></br>Product Description</br></br>The MFC-8710DW is a high-speed laser all-in-one with wired and wireless networking.  Ideal for businesses or small workgroups, it combines reliable, monochrome printing and copying up to 40ppm, color scanning and faxing. Plus, it offers automatic duplex (two-sided) printing, a legal-size document glass, a 300-sheet paper capacity, and a 50-page capacity automatic document feeder.</br><br/>http://www.amazon.com/gp/product/B008CNXZQ8