I’m in a real pickle and need some help

[parsec (FerAS)]

Have a look here and see if this helps:

Ruida 6040 60W (RD5121) – Vertical banding/stripes during engraving regardless of settings

Hello. I am a novice when it comes to CO2 laser plotters. A Ruida 6040 rd5121 60W plotter has come into my hands and from the very beginning I have been having problems with engraving. Specifically, the plotter produces stripes parallel to the direction of the head movement (I changed the engraving direction and the stripes changed direction accordingly). Changing the line interval does not help, nor do changes in speed. The mirrors are clean, and so is the lens. I am attaching photos to illust…