Canon E470 Series, Online Manual, Page: 214 / 350

Reduce moire
Reduces moire patterns.
Printed materials are displayed as a collection of fine dots. "Moire" is a phenomenon where
uneven gradation or a stripe pattern appears when such photos or pictures printed with fine dots
are scanned.
Note
• Scanning takes longer than usual when you enable Reduce moire .
Reduce gutter shadow
Reduces gutter shadows that appear between pages when scanning open booklets.
Note
• Use ScanGear (scanner driver)'s Advanced Mode tab to correct gutter shadows when
scanning non-standard size items or specified areas.
Refer to "Gutter Shadow Correction" for your model from Home of the Online Manual for
details.
• When you enable this function, scanning may take longer than usual with network
connection.
Correct slanted text document
Detects the scanned text and corrects the angle (within -0.1 to -10 degrees or +0.1 to +10
degrees) of the document.
Important
• The following types of documents may not be corrected properly since the text cannot be
detected correctly.
• 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
• Hand-written text
• Documents containing both vertical and horizontal lines (tables)
Note
• Scanning takes longer than usual when you enable Correct slanted text document .
Detect the orientation of text document and rotate image
Automatically rotates the image to the correct orientation by detecting the orientation of text in
the scanned document.
Important
• Only text documents written in the language selected from Document Language in the
Settings (General Settings) dialog box are supported.
• The orientation may not be detected for the following types of settings or documents since
the text cannot be detected correctly.
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