Printing technology: Monochrome laser Print speed: Up to 40 pages per minute (ppm) Print resolution : Up to 1200 x 1200 dpi Automatic duplex printing : Yes Scan technology : CIS (Contact Image Sensor) Scan speed : Up to 24 ppm (monochrome), up to 20 ppm (color) Scan resolution : Up to 1200 x 1200 dpi (optical), up to 19200 x 19200 dpi (interpolated) Copy speed : Up to 40 ppm Copy resolution : Up to 1200 x 600 dpi Fax transmission speed : Approx. 2.5 seconds per page