Test Items :
1. Confirm that the environment is free of strong light interference :
a. Check that there is no strong light above the machine, such as track lights, flurescent lamps, etc.
b. Make sure the machine is not placed in a place in harsh sunlight.
Preparation Items :
Self-preparation :
1. dark fabric or cardboard.
Operation Steps :
1. Remove or shield the strong light source :
a. Cover the acrylic door cover above the engraving material with a dark fabric or cardboard.
b. Turn off the indoor light source above the machine.
2. Retry the camera preview :
Make sure that the camera preview screen is back to normal.
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