Document scanner feeder scanner scan technologies cmos cis scan format legal supported document size 216 x 356 mm scan resolution 600 dpi interface usb 20 position of connectivity ports 1x usb rear max scan speed 30 pagesmin automatic document feed 50 sheets weight of paper 52 128 gm document feeder automatic file formats bmp jpeg pptx tiff pdf colour depth 24 bit area of use office light source led tri colour rgb functions duplex scann