Canon imageFORMULA DR-C230 User Manual page 70

Page Size
Select the page size that matches the document to be scanned.
If [Detect automatically] is selected, the edges of the document are
detected and images that match the size of the document are saved.
Scanning Side
Select which of the sides of the document to scan.
If the scanning side is set to [Skip blank page], the images of blank
pages are deleted when images are saved.
Scanning Documents of Unregistered
Page Sizes
You can register a non-standard page size that has not been
registered as a page size by naming and registering it as a custom
page size in the Custom Paper Size dialog box, which is opened from
the [Save] button on the [Basic] tab.
Configuring the following settings allows you to scan a document of an
unregistered page size.
When scanning a document of a non-standard page size, select [Add/
Delete] for [Page Size] to display the [Add/Delete Page Size] dialog
box. Name and register the unregistered page size in [Page Size].
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