Document scanner scan technology ccd scan format a4 supported document size 218 x 5994 mm scan resolution 600 dpi interface usb 30 position of connectivity ports 1x usb rear max scan speed 80 pagesmin automatic document feed 100 sheets document feeder automatic file formats jpeg tiff pdf colour depth 48 bit area of use office light source led functions duplex scanning ultrasonic double feed detection scan to printer scan to ftp number of keys