Feeder scanner document scanner portable scanner scan technology cis scan format a4 supported document size 216 x 297 mm scan resolution 600 dpi interfaces usb 20 wi fi card reader automatic document feed 8 sheets document feeder automatic card reader sd file formats jpeg pdf areas of use office mobile home use functions scan to smartphone scan to tablet compatible operating systems windows 8 windows 7 windows vista windows xp mac os x windows 8