Exposure Adjustment During Printing - Canon imageRUNNER C3220 Copying Manual

Exposure Adjustment during Printing

You can change the copy exposure while the machine is printing.
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2-24 Copy Exposure and Original Type Settings
Press [ ] or [ ] on the pop-up screen that appears while the
machine is printing.
Press [ ] to move the indicator to the left to make the exposure lighter, or press
[ ] to move it to the right to make the exposure darker.
The copy exposure is changed. When printing is complete, the display returns to
the Copy Basic Features screen.
NOTE
If the copy exposure has been changed on the Copy Basic Features screen,
adjusting the copy exposure during printing may not have any effect on the output.