Canon PIXMA MX392 Online Manual page 45

Note
The displayed items vary by Select Source and Color Mode.
• Apply Auto Document Fix
Select this checkbox to sharpen text in a document or magazine for better readability.
Important
Available only when the Compress scanned images upon transfer checkbox is not
selected.
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/Reduce gutter shadow (platen)
Reduces gutter shadows that appear between pages when scanning open booklets.
Important
This function is available only when scanning from the platen.
Available only when the Compress scanned images upon transfer checkbox is not
selected.
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.
• 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