Canon imageFORMULA DR-G2140 User Manual page 112

Scanning Documents of Unregistered
Page Sizes
You can register an unregistered paper of non-standard size with a
name, as a custom paper size.
Click the [Setting] button of [Page Size] in the [Basic] tab, to display
the [Page Size Settings] dialog box.
Register the paper of non-standard size in the [Custom Page Size]
tab.
Specifying the Scan Area
Configure the following settings when you want to specify the area of
the document to be scanned.
Specifying an area
To scan one area of a larger document, click [Setting] on [Page Size]
in the [Basic] tab to display the [Page Size Settings] dialog box.
Designate which area of the document to scan in the [Scan Area] tab.
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