Document Settings TWAIN Scanning Guide
User’s Guide 27
Technical Note:
If you are getting false double feed errors, try cleaning the inside of the scanner. Excessive dust on
the sensor can cause false double feed errors. Refer to the maintenance section of the scanner's
user guide for instructions on cleaning the scanner.
Straighten Image
Select this option to let the scanner automatically determine if a page is skewed, then straighten
its image. This option is only available if the scanner supports this feature.
If you are scanning using an automatic document feeder, and the page is fed through at too
great of an angle, the image may not straighten correctly. In that case, re-scan the page making
sure the paper guides are adjusted to the width of the pages in the input tray so that the pages
are pulled straight through the scanner.
Rotate Image
Select an option in this list to have the final image rotated when scanning is complete.
Flip Back Side
Select this option if you are scanning duplex pages that are calendar style orientation. This option
will rotate the back side image 180 degrees from the front side. When scanning in duplex mode
without this option selected, the back side image of calendar orientation pages will appear upside
down in the final scan. This option does not automatically determine book page orientation
versus calendar page orientation. If you have this option selected when scanning book orientation
pages, the image for the back side of the page will appear upside down in the final scan. If you are
scanning a batch of documents that contain both types of orientation, we recommend that you
select Automatic in the Rotate image list.
This option is available only if the current scanner supports duplex scanning and the Duplex
option is selected in the scanning interface.
Merge Two Sides
When scanning in duplex mode, you can enable this option to have both sides of a scanned item
appear on one page in the final image file. The options in the list allow you to select where you
want the front side image to appear in relation to the back side image in the final file.
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