Lexmark MB2546adwe Mono MFP Printer (PRLE36SC543) - Print Technology: Monochrome Laser, Functions: Copying, Color Scanning, Printing, Network Scanning, Faxing, Print Speed: Black: 44 ppm (A4), Black: 46 ppm (Letter), Print Resolution: Black: 1200 x 1200 dpi, 2400 IQ (2400 x 600 dpi), 600 x 600 dpi, 1200 IQ (1200 x 600 dpi), Duplex Printing: 2-sided: Integrated Duplex, Display: Lexmark e-Task 4.3-inch (10.9 cm) colour touch screen, Processor Speed: Dual Core, 1.0 GHz, Memory: Maximum: 1024 MB, Connectivity: USB, Gigabit Ethernet, Wireless, Paper Handling: 100-Sheet Multipurpose Feeder, Integrated Duplex, 150-Sheet Output Bin, 250-Sheet Input, Copy Speed: Black: 44 cpm (A4), Black: 46 cpm (Letter), Scan Speed: Black: 42 / 45 sides per minute, Color: 20 / 22 sides per minute, Optical Scanning Resolution: up to 1200 X 600 ppi (black), up to 600 X 600 ppi (color), Fax Transmission Speed: 3 seconds per page