Canon MF229dw User Manual page 228

[Color Mode]
Select the image type to scan documents.
[Black and
White]
[Grayscale]
[Color]
[Text Enhanced]
Specifying Resolution and Image Size
Specify the output resolution and output size.
[Output Resolution]
Select the resolution of the scanned image that suits your intended use. If documents are placed in the feeder, the
maximum resolution is 300 dpi.
About the output resolution
A resolution of 75 dpi is a rough guide for displaying the scanned image on a computer, and 300 dpi for printing or
creating a searchable PDF.
If you double the output resolution, the image file size increases by a factor of 4. If the file size is too large, a
memory shortage or other error may occur. Set the resolution to the minimum required for your intended use.
[Output Size]
Select the size of the scanned image when it is printed or displayed on a computer.
Click
selected.
If you select [Add/Delete], you can add new output size settings and delete the added sizes.
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The document is scanned as a black and white image (in black and white only, with no
intermediate shades of gray). You can change the threshold that separates text in the
document or the image into black and white with [Threshold] (
Color).
The document is scanned as a grayscale image (in black and white with intermediate shades
of gray, similar to a black and white photograph).
The document is scanned as a color image.
The document is scanned as a black and white image optimized for processing by OCR (optical
character recognition) software.
to switch between the portrait and landscape orientation. This button is not available when [Flexible] is
Adjusting Brightness and