Canon C5051 Quick Reference page 55

Scan Multiple Documents and Store as a File (Job Build)
You can scan originals that are too many to
be placed at once, by dividing them into
multiple batches. You can store after all
originals are scanned.
Scan With Clear Text and Illustrations
(Sharpness)
You can use this mode when you want to
adjust to make the text, lines, or outline of
the image sharp or make the image soft.
Useful Scan Functions_Lastpage
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