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Uninstalling the Software
If the TWAIN driver or CaptureOnTouch is not operating normally,
follow the procedure below to uninstall them. Then, re-install the
software. See Setup Guide.
IMPORTANT
Log on to Windows as an Administrator.
1
From the Windows task bar, click the [Start] button and
then [Control Panel].
2
Click [Uninstall a program].
The [Uninstall or change a program] dialog box appears.
3
From the Programs list, select the software you want to
remove and then click [Remove].
The delete confirmation screen appears.
4
Click [Yes].
Uninstallation of the software is now complete.
No uninstaller is provided for OS X drivers. To uninstall, use Finder
to delete the following files.
/Library/Image Capture/TWAIN Data Sources/R40
/Applications/CaptureOnTouch
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Table of Contents
Troubleshooting
Need help?
Do you have a question about the imageFORMULA R40 and is the answer not in the manual?
Questions and answers
what is DFR button used for?
The DFR (Double Feed Retry) button on the Canon imageFORMULA R40 is used to retry scanning when a double feed is detected.
This answer is automatically generated
When I scan, one page will scan and then it pauses and then scans other page, etc. How can I make the scanner scan many pages at a time without pausing?
To scan multiple pages at once without pausing on the Canon imageFORMULA R40, you need to adjust the double feed detection settings. Follow these steps:
1. Open the scanner driver settings screen.
2. Enable the *Double Feed Detection* function by selecting either *Detect by Length* or *Detect by Ultrasonic* (or both).
3. If you want to ignore double feed detection and continue scanning, enable the *Double Feed Detection Ignore* function.
4. Set *Rapid Recovery System* to allow scanning to continue even if a double feed is detected.
5. Click *OK* to save the settings.
This will help the scanner process multiple pages continuously without stopping for detected double feeds.
This answer is automatically generated
How can I change where the scanned document is saved on my computer
You can change the save location for scanned documents on the Canon imageFORMULA R40 by adjusting the settings in the [Select output] panel. Click the Edit button ([ ]) in this panel, then click the [Detail Settings] button. From there, you can set the file names and choose the save location.
This answer is automatically generated