Canon i-SENSYS MF6140dn User Manual page 457

[Use Unsharp Mask]
[Use Descreen]
[Black Text
Correction]
Color Settings
Using Color Settings buttons, you can adjust the brightness and contrast of the whole image, specify highlights and
shadows, and adjust the contrast and balance in an image.
The color setting buttons to be displayed vary depending on the selected [Color Mode]. When [Text Enhanced] is selected,
no Color Settings button is displayed.
When a Color Settings button is clicked, the dialog box appears to specify the corresponding option. Clicking [Reset] resets
all the color settings to the default values.
When [Color] or [Grayscale] is selected in [Color Mode]:
When [Black and White] is selected in [Color Mode]:
If you select [Add/Delete] from the drop-down menu, a set of color settings can be registered. For details, see
curve/threshold drop-down
Brightness/Contrast
This dialog box enables you to adjust the levels of brightness and contrast of the image.
Click [ ] to adjust the brightness and contrast diagrammatically.
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scanning photos etc., which have a soft focus.
NOTE
Condition to specify the setting
This setting is available when [Color] or [Grayscale] is selected in [Color Mode].
Select to reduce the distorted pattern (moire) when scanning printed photographs and pictures.
NOTE
Condition to specify the setting
This setting is available when [Color] or [Grayscale] is selected in [Color Mode].
If [Use Unsharp Mask] is selected
Even if [Use Descreen] is selected, some moire effect may remain. In this case,
deselect [Use Unsharp Mask].
To apply new setting
Scan the document again.
If the check box is selected, emphasizes the outline of black text.
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