Canon i-SENSYS MF729Cx Important Safety Instructions And Installation Manual page 512

<Menu> <Preferences>
<Apply>
Invert Screen Colors
Select <On> to invert the display colors. Select <On> if the display is hard to view even after the brightness was adjusted in
<Brightness>.
Off
On
<Menu> <Preferences>
Millimeter/Inch Entry Switch
Select the unit of measurement.
Millimeter
Inch
<Menu> <Preferences>
<Inch>
Message Display Time
Specify the interval in seconds at which two different messages are alternately displayed.
1 to 2 to 5 (sec.)
<Menu> <Preferences>
<Apply>
Scrolling Speed
Adjust the speed for scrolling the screen by selecting from three levels.
Slow
Standard
Fast
<Display Settings> <Brightness>
<Display Settings> <Invert Screen Colors>
<Display Settings> <Millimeter/Inch Entry Switch>
<Display Settings> <Message Display Time>
Tap / to adjust the brightness
Select <Off> or <On>
Select <Millimeter> or
Enter a number for the interval