Character/Background Contrast Adjustment - Canon CLC5151 Reference Manual

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 A4 or A3 size regular or heavy paper when making sample prints.
NOTE
[Character/Background Contrast Adjustment] is displayed only if the optional Secure Watermark is
activated.
4
1
2
4-72
Adjusting the Machine
Press [Adjustment/Cleaning]
Adjustment].
You can adjust the relative contrast (brightness) of the hidden text and the background when
using the Secure Watermark mode.
Select the colour
The setting range for the Relative Contrast Value will differ, depending on the Standard Value
Settings you have set.
Standard Value Settings
0
4
8 to 54
60
64
[Character/Background Contrast
press [Sample Print] [Yes].
Relative Contrast Value
0 to +7
-4 to +7
-7 to +7
-7 to +4
-7 to 0