Exposure Recalibration; Character/Background Contrast Adjustment - Canon Color ImageRunner C3380 Reference Manual

Exposure Recalibration

You can recalibrate the exposure adjustment scale if differences between the image
on the original and the print occur.
1
Press
[Exposure Recalibration].
2
Press [Light] or [Dark] for each function to adjust the
exposure ➞ press [OK].

Character/Background Contrast Adjustment

This mode enables you to adjust the relative contrast (brightness) of the hidden text
and the background when using the Secure Watermark mode. For more
information on the Secure Watermark mode, see Chapter 4, "Special Copying and
Mail Box Features," in the Copying and Mail Box Guide.
IMPORTANT
Load LTR or 11" x 17" size regular or heavy paper when making sample prints.
NOTE
[Character/Background Contrast Adjustment] is displayed only if the optional Secure
Watermark is activated.
1
Press
[Character/Background Contrast Adjustment].
You can adjust the relative contrast (brightness) of the hidden text and the
background when using the Secure Watermark mode.
(Additional Functions) ➞ [Adjustment/Cleaning] ➞
(Additional Functions) ➞ [Adjustment/Cleaning] ➞
Adjusting the Machine
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