QR code laser marking is not clear, how to adjust?

in FAQs about Laser Marking, ,

As shown in the picture, the laser marking QR code in the middle is not clear, and it feels like the QR code is obviously engraved into the product. How to adjust this?

QR code laser marking is not clear

The picture shows that the QR code may be filled too densely or the power is too high.

It is recommended to modify the hatch density or use another pen number for the laser parameters of the QR code, to reduce the power of this pen number.

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