Hello good people! I have Chinese CO2 lase cutter/engraving machine. Some time ago it started to engrave badly. I am not sure I am right but I noticed strap loose from both side of moving head. See pictures attached. Please look at yours and compare to mine. Can this be a reason of terribly engraving? Or I should check something else. If this is strap loose how to tighten them? Could somebody send me link of video? Than You!
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