Canon scanners have a double feed detection feature. When turned on, the scanner will notify the user whenever a double feed occurs. The scanner will stop scanning and not save the target image. By stopping, the scanner is providing an opportunity to refeed the targets.
1.Have a match open and one target that needs to be scanned.
2.From Orion's menu click on 'Match' then 'Score' and then 'Auto-Score using Scanner Drivers.'
3.When the scanner drivers open, click on the 'Others' tab.
4.Under 'Double Feed Detection,' enable (put a check in the check box) 'Detect by Ultrasonic.'
5.Load the scanner with a target, and click 'Scan.'