Canon LBP6780x Manual page 567

[Contrast] -3 Dark to 0 to +3 Light
[Backlight
[Off], [Level 1], [Level 2], [Level 3]
Brightness]
[Animated
[Off], [On]
Instruction]
[Show Toner
[Off], [On]
Gauge]
[Set. Comp. Notify] [Off], [1 second], [2 seconds], [3 seconds]
[Scrolling Speed] [Slow], [Normal], [Fast]
If the display is not clear, adjust the contrast or
brightness to the desired level.
Specifies whether the printer should display an
animated picture in the display when a paper
jam occurs or when a toner cartridge is
replaced.
Specifies whether the printer should display
the icon that indicates the toner remaining.
Specifies the display time of messages that are
displayed when the setting completes. If [Off]
is specified, no setting completion message is
displayed.
Set the scrolling speed for the message
display on the control panel.