Oce 1010N - B/W Laser Printer Operation Manual page 39

3
Select and double click Custom 1, then click Density. Use the mouse
to move the slider on the right side of the screen to the left (light) and
right (dark).
4
To set the density for the other custom paper type, select and double
click Custom 2 (to 8) and repeat the above procedure.
5
After you have selected the density, click the OK button to return to
the start-up screen. The paper source print density setting is
changed.
Light Dark
1-28
Printer Environment
Slider
Density