Optical Laser Lens Power Adjustment

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Rotate the assembly so that the green circuit board is facing you as shown in the first picture.
Flip board over so it is oriented as shown in the second picture.
Using a Phillips #1 Screwdriver, turn the small knob very slightly counter-clockwise—a few degrees to, at most, one-quarter turn.
You can find instructions for testing to make sure your repair worked at this link.

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