Adjusting the Image Sharpness

3U18-10U
You can adjust the sharpness to scan text and lines with a sharper contrast. You can also reduce the sharpness for the half-tone dots of printed photos, etc. to scan with a softer image.
Low
If you scan an original containing halftones, such as a printed image, the moiré effect (a shimmering, wavy pattern) may occur. In this case, you can lessen this moiré effect by using [Low] as the setting.
Low Set
Low Not Set
High
This setting enhances the edges of original images so that faint or fine text is reproduced with a sharper contrast. This setting is particularly suited for scanning blueprints and faint pencil drawn images.
High Set
High Not Set
1
Press (Main Menu) → [Fax].
2
Specify the destination → press [Options] → [Sharpness].
3
Adjust the sharpness → press [OK] → [Close].
To scan text or lines clearly, the setting should be towards [High]. To scan originals containing printed images or other halftones, the setting should be towards [Low].
IMPORTANT
The setting for [Sharpness] is invalid when all of the conditions below are met.
The original type is set to Text
The resolution is set to 200 x 100 dpi
To activate [Sharpness], change the settings.

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imagePRESS C910 / C810 / C710 / C710CA
User's Guide (Product Manual)
USRMA-3521-032021-08Copyright CANON INC. 2021