A high quality large format scanner the plustek opticpro a320 combines efficiency with performance with its fast processing speed the a320 can scan an a3 sized document in under nine seconds at a resolution of up to 1600x1600 dpi simple large format scanning the opticpro a320 is a very easy scanner to operate with seven one touch function buttons the user can quickly choose whether to scan copy send scans to file or email or to create pdfrsquos the scanner comes complete with h