Canon IMAGE FORMULA DR-C125 - Manual (Page 52)

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When you want to make lines or characters in the
scanned images thicker
Drag the slider for [Character Emphasis] on the [Image processing]
tab to make the lines and characters that appear in the scanned image
thicker.
When you want to enhance text that is difficult to read
because of factors such as the background of the
scanned document
Select [Advanced Text Enhancement] or [Advanced Text
Enhancement II] in the mode setting on the [Basic] tab. The
background behind the text is removed or processed so that the text
is emphasized for better readability.
• Advanced Text Enhancement is suitable for a document with a light
background color or a document with a non-uniform background
(such as a pattern). If the background is uniform, it is removed where
it surrounds the text, and if the background is non-uniform, it is
processed to enhance text readability.
• Advanced Text Enhancement II is suitable for scanning a document
with a uniform background color and light text and background. If the
background is non-uniform, such as a pattern, the background may
not be able to be completely removed and the text may become
difficult to read. If necessary, you can make the text in scanned
images easier to read by adjusting the contrast on the [Brightness]
tab.
When you want to detect multiple pages fed at the same
time
Select the [Double Feed Detection] check box on the [Feeding] tab.
You can enable either one or both of [Detect by Ultrasonic] and
[Detect by Length].
Hint
Even if [Detect by Ultrasonic] is enabled, a double feed may not be
detected if the document is small.