Epson EXPRESSION 1640XL User Manual page 147

When you set a stack of document in direction 2
In the PageManager dialog box, the scanned images appear as
shown below.
FRONT
1. In the PageManager dialog box, select the All check box of
Select Images. This highlights the border of all images in
red.
2. Select 90° from Rotate Images.
3. Click Done.
If you want to reset the rotation, click Back to Original.
BACK FRONT BACK
6-31
Options
6