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Scan Using Your Computer
115
6
Image Quality 6
1 Diffusion Adjustment-Gray
This function adjusts the brightness and contrast to create gray images.
Brightness
Larger values lighten the image.
Contrast
Larger values increase the contrast in the image. Excessively large values may result in a black and
white image.
NOTE
This function is available when the Gray (Error Diffusion) scan type is selected.
2 Color Tone Adjustment
Allows you to adjust the brightness, contrast, shadow, highlight, and gamma during gray and color
scanning.
The default setting is Custom.
Auto
Scans the document using the optimal settings based on its content.
Custom
Allows you to set the Brightness, Contrast, Shadow, Highlight and Gamma manually.
NOTE
• Shadow cannot be set to a larger value than Highlight.
• This function is available when the Auto, True Gray, or 24bit Color scan type is selected.
Original Brightness: 25
Contrast: 25
Shadow: 122
Highlight: 240
Gamma: 5.0
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