Canon PIXMA E481, Online Manual, Page: 424 / 776

Important
• The color tone may differ from the source image due to corrections. In that case,
deselect the checkbox and scan.
Note
• Scanning takes longer than usual when you enable this function.
Sharpen outline
Emphasizes the outline of the subjects to sharpen the image.
Reduce show-through
Sharpens text in an item or reduces show-through in newspapers, etc.
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.
Important
• This function is available only when scanning from the platen.
Note
• Click Driver in the IJ Scan Utility main screen and scan to correct gutter shadows when
scanning non-standard size items or specified areas.
Refer to "
Gutter Correction " 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)
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