Canon MP560 Series On-Screen Manual page 522

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Scan Settings Dialog Box (Photos/Documents)

The following scanning resolutions can be specified when Document Type is Text(OCR).

300 dpi / 400 dpi

Select this checkbox to reduce moire patterns.

Printed photos and pictures 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. Descreen is the function for reducing this moire effect.

You cannot select this checkbox when Document Type is Color Photo, Black and White Photo or

Scanning takes longer than usual when you enable Descreen.

Reduce Show-through

Select this checkbox to sharpen text in a document or reduce show-through in newspapers.

You cannot select this checkbox when Document Type is Color Photo, Black and White Photo or

Select this checkbox when Document Type is text document and show-through is apparent in the

scanned image.

Unsharp Mask

Select this checkbox to emphasize the outline of the subjects and sharpen the image.

You cannot select this checkbox when Document Type is Text(OCR).

Remove gutter shadow

Select this checkbox to correct shadows that appear between pages when scanning open booklets.

You cannot select this checkbox when Document Size is Auto Detect, Auto Detect (Multiple

Documents) or Stitch Assist.

Align the document correctly with the alignment mark on the Platen.

Use ScanGear's Advanced Mode tab to correct gutter shadows when scanning non-standard size

documents or when custom cropping frames are set.

For details, see Gutter Shadow Correction in "

Correct slanted document

Select this checkbox to detect the scanned text and correct the angle (within -0.1 to -10 degrees or +0.1

to +10 degrees) of the document.

You cannot select this checkbox when Document Type is Color Photo or Black and White Photo.

You cannot select this checkbox when Document Size is Stitch Assist.

The inclination of the following types of documents may not be corrected, as 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

" (ScanGear's Advanced Mode tab).

Image Settings

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