Slow Scanning Speed - Canon Pixma MG6821 Online Manual

Slow Scanning Speed

To view the image on a monitor, set the output resolution to around 150 dpi. To
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print, set it to around 300 dpi.
Resolution
Set Fading Correction, Grain Correction, etc. to None.
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Refer to "Image Settings" for your model from Home of the Online Manual for details.
In IJ Scan Utility, deselect the Correct slanted text document / Detect the
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orientation of text document and rotate image checkbox and scan again.
Settings (Document Scan) Dialog Box
Settings (Custom Scan) Dialog Box
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