HP LaserJet Pro MFP M227sdn Printer Product Specifications Key Specifications LaserJet: Black Print Scan Copy Wireless, No Print Speed: Up to 28 ppm Mobile printing: Yes Main Features: All-in-one monochrome laser Printing, copying, scanning Formats: A4, A5, A6, B5 (JIS) Automatic two-sided Hi-SpeedUSB 2.0 port; Integrated Fast Ethernet 10/100 Base-TX network port 2-line LCD screen Print speed : up to 28 ppm (black) in normal A4 format Copy resolution (black text): up to 600 x 600 dpi C.