Why my neje laser burn the trace lines in Lightburn?

LightBurn Hardware Compatibility Marlin
1

Hi all , i have a neje diode laser and when i burn, is burning trace lines.I have a Creality 4.2.7 motherboard and i use PWM from fan.I use Marlin.

laser prob
laser prob1120×2015 256 KB

lightburn prob
lightburn prob644×670 23.5 KB

2

Can you take a photo of the burn?

Also, please upload a screenshot of Edit->Device Settings.

3

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