Canon imageFORMULA DR-C225 II User Manual page 63

Color mode
Select the scanning mode.

[Advanced Text Enhancement] and [Advanced Text Enhancement II]
remove or process the background color and background
surrounding text to enhance the text for easy reading. When
[Advanced Text Enhancement II] is selected, you can make the text in
scanned images easier to read by adjusting the contrast on the
[Brightness] tab.

[Detect automatically] detects whether the document is in color,
grayscale, or black and white. You can configure advanced settings
related to the detection method by clicking [Setting]. For details, see
the Help.
Page Size
Select the page size that matches the document to be scanned.
If [Match original size] is selected, the edges of the document are detected
and images that match the size of the document are saved.
Dots per inch
Select the scanning resolution.
Higher resolutions provide clearer images but result in larger file sizes and
slower scanning.
When [Detect automatically] is specified, the resolution is detected
automatically from the content printed in the document.
Scanning Side
Select which of the sides of the document to scan.
If the scanning side is set to [Skip blank page], the images of blank pages
are deleted when images are saved.
Confirming Basic Conditions for Scanning
When you scan a document, make sure you confirm the [Color mode],
[Dots per inch], [Page Size], and [Scanning Side] basic conditions in the
settings screen of the scanner driver.
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