Inverting the Screen Colors
You can invert the screen colors of the touch panel display. If you find it hard to read what is being shown on the touch panel display, try using this mode.
1.
Press (Settings/Registration).
2.
Press [Preferences] → [Accessibility] → [Reversed Display (Color)].
3.
Press [On] → [OK].
Select [Off] if you do not want to invert the colors.
» Settings/Registration » Preferences » Accessibility » Inverting the Screen Colors
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