this is my setting pls tell me what should be
i tried but light is faded then still not burning
From the picture it looks like the laser is out of focus.
You should have instructions with it to tell you how to focus it, you are aiming for a very tight small beam at the work surface.
Hope that helps
Your laser is WAY too high, Iād wager. And 100 mm/s is way too fast for doing pretty much anything. And as others have told you on here, white paper is NOT a good material to work with.
With my diode laser, I have the laser head about 60mm above my work surface, based on my focus. And the focus should be a VERY small dot.
For engraving on wood (like plywood), I use 40mm/s, and about 80% power.
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