There are myriad paper and cardboard products on the market with different characteristics (e.g., thickness, dye, finish). Therefore, depending on the specific paper used, the optimal processing parameters will vary.
However, you can easily determine your favourite laser settings using a grayscale matrix. This aid will help you to quickly determine how different cutting and engraving results can be achieved by adjusting your processing parameters.
Tip: By processing dual-layered paper, you can create contrast-rich engravings and achieve marking colours that would not be possible if conventional single-layered paper was used.