The Sharp AR 257 copier is one of the fastest production copiers with duplex! At a speed of 25 copies per minute, the Sharp AR 257 copier is truly unique! Versatility and performance, all in one reliable unit: that's the Sharp AR 257 copier. This powerful Sharp AR 257 copier/printer combines a fast 25-ppm print/copy speed and time-saving reverse auto-document feeder and auto-duplexing features with exceptional 1200-dpi laser output to keep workflow moving forward and looking great. Convenient standard features included on the Sharp AR 257 Copier is a large 8.1" touch screen for easy operation! the Sharp AR 257 Copier also has a 100 sheet auto document feeder! the Sharp AR 257 also has mixed-size detection and a standard 1100 sheet paper capacity expandable to 2100 sheets! the Sharp AR 257 Copier also has offset stacking and sorting for easier control of your set packages! the Sharp AR 257 copier expands its functionality to have options like network printing and scanning, Super G3 faxing, web-based management.