Lexmark CX635adwe. Print technology: Laser, Printing: Colour printing, Maximum resolution: 1200 x 1200 DPI, Print speed (colour, normal quality, A4/US Letter) : 40 ppm. Copying: Colour copying. Scanning: Colour scanning, Optical scanning resolution: 600 x 600 DPI. Faxing: Mono faxing. Duplex functions: Copy, Fax, Print, Scan. Maximum ISO A-series paper size: A4. Wi-Fi. Direct printing. Product colour: Grey, White