4 in 1 multifunction printer black white with LAN/WLAN and duplex printing. Memory: 256 MB. Display: 6.8 cm touch screen colour display. Print speed (A4) simplex: 34 ppm b/w. Duplex: 16 ppm b/w. Quiet mode: Mode to reduce print noise by reducing the print speed. Resolution: Up to 1,200 x 1,200 dpi.