If your scanner features an Automatic Document Feeder (ADF) you can scan all the pages from the feeder via one of following methods:
Press 
Click the arrow to the right of the 
Select 
By default, both sides of a page will be scanned if your scanner has this capability. To scan only a single side:
Press the menu button in the top-right corner of the window and select
        
Select 
Change the 
Close the dialog.