Check the following when a double feed occurs.
When originals are jammed inside the scanner, open the scanner cover and remove the originals, and then close the scanner cover.
Check the scanned image, and then scan the originals again if necessary.
If multiple originals are fed frequently, try the following.
If you load unsupported originals, the scanner may feed multiple originals at a time.
Clean the rollers inside the scanner.
Reduce the number of originals being placed at a time.
Select Slow on the control panel to slow down the scanning speed.
Use Automatic Feeding Mode, and scan originals one by one.
When you are using Document Capture Pro, you can open the Epson Scan 2 window by pressing the Detailed Settings button on the Scan Settings screen.