You can
increase print density to darken your prints on plain paper. This
is especially useful when you print with the built-in basic driver,
which does not include density adjustment settings.
Note: Increasing
density may reduce print speed.
From the
home screen, select Menu and press
the OK button.
You see this screen:
Press
the arrow buttons to select Plain Paper
Density Setting and press the OK button. You see this screen:
Press
the arrow buttons to select +1 or
+2 and press the OK button.