Canon 3747B003 User Manual page 556

- Documents in which the text lines are inclined more than 10 degrees or the angles vary by line
- Documents containing both vertical and horizontal text
- Documents with extremely large or small fonts
- Documents with small amount of text
- Documents containing figures/images or hand-written text
- Documents containing both vertical and horizontal lines (tables)
Note
Scanning takes longer than usual when you enable Correct slanted document.
Enable Auto Photo Fix (When scanning with Auto Scan using the Operation Panel)
Select this checkbox to analyze the photo image and apply suitable corrections automatically.
This function is available when Auto or JPEG/Exif is selected for Save as type in Save Settings on the
Scanner Button Settings tab of the Preferences dialog box.
Important
When Save as type is Auto, the base color tone of the following types of documents may change
from the source since they are corrected as photos. In that case, deselect the checkbox and scan.
- Postcards and business cards
Text documents may not be scanned correctly since they may be corrected as photos depending
on how you place the document. In that case, deselect the checkbox and scan.
Note
If you select a format other than JPEG/Exif for Save as type and then select this checkbox, a
message appears and Save as type will be set to Auto.
Detect the orientation of text documents and rotate images
Select this checkbox to detect the orientation of the document from the scanned text and rotate the
scanned image to the correct orientation. Select the language of the document to be scanned in
Document Language.
Important
You cannot select this checkbox when Document Size is Stitch Assist.
This function may not work properly depending on the document language. Only text documents
written in languages that can be selected from Document Language are supported.
The orientation of the following types of documents may not be corrected, as the text cannot be
detected correctly.
- Resolution is outside the range of 300 dpi to 600 dpi
- Font size is outside the range of 8 points to 48 points
- Documents containing special fonts, effects, italics, or hand-written text
- Documents with patterned backgrounds
Note
Scanning takes longer than usual when you enable Detect the orientation of text documents and
rotate images.
Document Language
Select the language of the document to be scanned.
Important
You cannot select this checkbox when Document Size is Stitch Assist.
Defaults
Restores the default settings.
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