Colour laser printer resolution 1200 x 1200 dpi printing size in din a4 max print size 210 x 297 mm connections usb 20 ethernet 101001000 functions network ready touch to print auto power on auto power off instant on hp eprint iprint mopria apple airprint nfc near field communication print functions duplex printing usb direct printing print speed colour 42 pagesmin print speed bw 42 pagesmin series hp color laserjet paper feed devices multi