Mono laser printer resolution 1200 x 600 dpi printing size in din a4 max print size 210 x 297 mm connections usb 20 wlan function network ready print function duplex manual print speed bw 22 pagesmin series ricoh sp paper feed devices paper tray single sheet feeder number of paper trays 1 paper input 150 sheets paper output standard 50 sheets controls buttons paper sizes a4 a5 a6 b5 b6 media types paper cassette plain paper recycled