Canon ImageRUNNER 2545i Sending And Facsimile Manual page 229

3
[Low]:
[High]:
4
Press
7
7-16
Transmission Related Items
To scan originals containing printed images or other halftones,
the setting should be towards [Low]. This setting lessens the
moiré effect (a shimmering, wavy pattern).
To scan text or lines clearly, the setting should be towards [High].
This setting is particularly suited for scanning blueprints and faint
pencil drawn images.
(Reset) to return to the top screen.
Press [Low] or [High] to adjust
the sharpness ➞ press [OK].