Canon MF3110 MF3110 Software Guide - Page 116

Descreen], Reduce Dust and Scratches]

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■ [Descreen] Set to [ON] when scanning printed photographs and pictures. The default setting is [OFF]. IMPORTANT • You cannot set [Descreen] to [ON] if [Black and White] or [Text Enhanced] is selected in [Color Mode]. • Even if [Descreen] is set to [ON], some moire effect may remain if [Unsharp Mask] is also set to [ON]. In this case, disable [Unsharp Mask]. • [Descreen] cannot be set to [ON] when scanning from an application which will not display the ScanGear MF dialog box. If you are scanning from the MF Toolbox without using ScanGear MF, select [Color (Magazine)] in [Scan Mode] to activate [Descreen]. 3 NOTE • Printed photographs and pictures are displayed as a collection of fine dots. If you scan without descreen, the dots may interfere with each other and cause an unevenness of gradation and a striped pattern in the image. [Descreen] is the function for reducing this moire effect. • Selecting [Magazine (Color)] in [Select Document Type] in Simple Mode has the same effect as selecting [Descreen] in Advanced Mode. Scanning ■ [Reduce Dust and Scratches] Scanned photos may contain white dots caused by dust and scratches. This setting reduces the dust and scratches on photos. The default setting is [OFF]. [OFF] [Low] [Medium] [High] No reduction of dust and scratches will be made. Reduces small dust and scratch marks. With this setting, large dust or scratch marks may remain. Normally this setting is recommended. Reduces large dust and scratch marks but evidence of the reduction process may remain and may also remove delicate parts of the image. IMPORTANT • For scanning printed materials, the [OFF] setting is recommended. • If [Output Resolution] is set to [600] dpi or less and [Descreen] is set to [ON], you cannot set [Reduce Dust and Scratches] to [ON]. (If you set [Output Resolution] to [601] dpi or more, the [Descreen] setting will be automatically disabled and you can then set [Reduce Dust and Scratches] to [ON]. • This setting may not be effective for some types of photos. 3-28 Setting Preferences and Scanning with ScanGear MF

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Setting Preferences and Scanning with ScanGear MF
3-28
Scanning
3
■
[Descreen]
Set to [ON] when scanning printed photographs and pictures. The default setting is
[OFF].
IMPORTANT
•
You cannot set [Descreen] to [ON] if [Black and White] or [Text Enhanced] is selected in
[Color Mode].
•
Even if [Descreen] is set to [ON], some moire effect may remain if [Unsharp Mask] is also
set to [ON]. In this case, disable [Unsharp Mask].
•
[Descreen] cannot be set to [ON] when scanning from an application which will not
display the ScanGear MF dialog box. If you are scanning from the MF Toolbox without
using ScanGear MF, select [Color (Magazine)] in [Scan Mode] to activate [Descreen].
NOTE
•
Printed photographs and pictures are displayed as a collection of fine dots. If you scan
without descreen, the dots may interfere with each other and cause an unevenness of
gradation and a striped pattern in the image. [Descreen] is the function for reducing this
moire effect.
•
Selecting [Magazine (Color)] in [Select Document Type] in Simple Mode has the same
effect as selecting [Descreen] in Advanced Mode.
■
[Reduce Dust and Scratches]
Scanned photos may contain white dots caused by dust and scratches. This setting
reduces the dust and scratches on photos. The default setting is [OFF].
IMPORTANT
•
For scanning printed materials, the [OFF] setting is recommended.
•
If [Output Resolution] is set to [600] dpi or less and [Descreen] is set to [ON], you cannot
set [Reduce Dust and Scratches] to [ON]. (If you set [Output Resolution] to [601] dpi or
more, the [Descreen] setting will be automatically disabled and you can then set [Reduce
Dust and Scratches] to [ON].
•
This setting may not be effective for some types of photos.
[OFF]
No reduction of dust and scratches will be made.
[Low]
Reduces small dust and scratch marks. With this setting, large dust or
scratch marks may remain.
[Medium]
Normally this setting is recommended.
[High]
Reduces large dust and scratch marks but evidence of the reduction
process may remain and may also remove delicate parts of the image.