Epson LS500W User Manual page 93

You see this screen:
5. Press Enter and select On.
6. Press Esc.
7. Select the Adjustment Level setting and press Enter.
8. Press the right and left arrow buttons to adjust the level, and press Esc.
9. Select the Start Adjustments setting and press Enter.
10. Select the area of the screen that you want to adjust and press Enter.
Note: Adjust the outer areas first, then adjust the entire screen.
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