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K40 laser engrave on high power leaves weird marks instead of smooth surface. What could cause this? : r/ChineseLaserCutters
Hello! I have a K40 machine for 6 months and have 2 problems since - Lasers - Maker Forums
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K40 laser still experiencing problems with proper cutting and engraving, as well as stepper motor config issues - Smoothieware - LightBurn Software Forum
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