Colour laser printer resolution 600 x 600 dpi printing size in din a3 max print size 320 x 450 mm connections usb 20 function postscript print function duplex manual print speed colour 20 pagesmin print speed bw 20 pagesmin series hp color laserjet paper feed devices multipurpose tray paper tray number of paper trays 1 paper input 350 sheets paper output standard 250 sheets display lcd display printing technologies hp imageret 3600 pap