Colour laser printer resolution 600 x 600 dpi printing size in din a4 max print size 210 x 297 mm connections usb 20 ethernet 10100 wlan functions pictbridge network ready iprint print function duplex printing print speed colour 20 pagesmin print speed bw 20 pagesmin series ricoh sp paper feed devices single sheet feeder paper tray number of paper trays 1 paper feed type retractable paper tray front paper input 150 sheets paper output st