If double feed should occur too often, adjust the Separation Roller gam according to the following procedure.

1. Slide the Adjustment Dial Cover to the left.
   
   
   
   
2. Adjust the Adjustment Dial.
   Turn the Adjustment Dial to the right 3 clicks.
   If documents are not fed after the above operation, turn the Adjustment Dial back to the left 1 click.
   
   
   
3. Slide the Adjustment Dial Cover to the right.
   
   
   
   Do not use the Adjustment Dial any other time except when adjusting the Separation Roller gap. Turning the Adjustment Dial too much may damage the scanner.