Canon MultiPASS F20 Software User's Manual page 40

4. If you want to customize a stamp color, under Palette, click the color
that is closest to your desired custom color. Then, click Detailed Color
Adjustment.
5. Move the slider for each of the listed colors until you have reached
the desired mix for your custom color.
6. If you want to save the custom color in the palette, click Add to
Palette. The newly created color is added to the last row on the color
palette. If the last row has been filled with custom colors you created
previously, you can choose to replace the earliest existing custom
color.
To define the text and color of a text stamp (Windows 2000/XP):
1. On the Stamp tab, click Text for the Stamp Type.
Chapter 3 Printing 36