Feeder scanner document scanner scan technologies cmos cis scan format a4 supported document size 216 x 356 mm scan resolution 600 dpi interface usb 30 max scan speed 40 pagesmin automatic document feed 75 sheets weight of paper 34 413 gm document feeder automatic file formats tiff jpeg rtf bmp pdf png scan documents documents business cards area of use office light source led power consumption in use 21 watt colour black display type