Canon imageRUNNER C3489 Reference Manual page 319

4
Select the background pattern ➞ select the size and color of
the text ➞ press [OK].
To print a pattern on the background of a copy, select the background pattern
from the Background Pattern drop-down list.
You can select [Small] (36 pt.), [Medium] (54 pt.), or [Large] (72 pt.) for the size
of the text.
To print the characters vertically across the page, press [Print Characters
Vertically].
6
To use white letters on a colored background, press [White Letters on Colored
Backgnd].
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Setting the Secure Watermark Mode