Document scanner feeder scanner flat bed scanner scan technologies cmos cis scan format a4 supported document size 216 x 3100 mm scan resolution 1 200 dpi interface usb 20 max scan speed 20 pagesmin automatic document feed 50 sheets weight of paper 60 105 gm document feeder automatic file formats pdf jpeg png bmp tiff txt rtf colour depth 24 bit scan documents photos documents area of use office light source led functions duplex scan