![K40 laser still experiencing problems with proper cutting and engraving, as well as stepper motor config issues - Smoothieware - LightBurn Software Forum K40 laser still experiencing problems with proper cutting and engraving, as well as stepper motor config issues - Smoothieware - LightBurn Software Forum](https://forum.lightburnsoftware.com/uploads/default/original/2X/e/ec44bb3294802966d3c071feae1a17683fcf31ed.jpeg)
K40 laser still experiencing problems with proper cutting and engraving, as well as stepper motor config issues - Smoothieware - LightBurn Software Forum
![K40 Laser fires at power on after installing C3D board - Hardware Installation - Cohesion3D Community K40 Laser fires at power on after installing C3D board - Hardware Installation - Cohesion3D Community](https://forum.cohesion3d.com/uploads/default/original/2X/e/e33e3f0f8e7e7fe55e7ed524a43ad6a12acf1d51.jpeg)
K40 Laser fires at power on after installing C3D board - Hardware Installation - Cohesion3D Community
![Sorry not the best video but laser makes clicking noise every now and then when firing and the temperature screen goes weird. Is this arcing? : r/lasercutting Sorry not the best video but laser makes clicking noise every now and then when firing and the temperature screen goes weird. Is this arcing? : r/lasercutting](https://external-preview.redd.it/0Szpi8xBnagqCyUayfUqk0Th4P9OpSVNXTkvSo-0V6E.png?width=640&crop=smart&format=pjpg&auto=webp&s=ae2774c83429761ea7755c6a42182e4eda41218f)
Sorry not the best video but laser makes clicking noise every now and then when firing and the temperature screen goes weird. Is this arcing? : r/lasercutting
![K40 Laser fires at power on after installing C3D board - Hardware Installation - Cohesion3D Community K40 Laser fires at power on after installing C3D board - Hardware Installation - Cohesion3D Community](https://forum.cohesion3d.com/uploads/default/original/2X/d/d501cc216f5db09f61244040241e06bb5cbbd495.jpeg)
K40 Laser fires at power on after installing C3D board - Hardware Installation - Cohesion3D Community
![K40 Laser fires at power on after installing C3D board - Hardware Installation - Cohesion3D Community K40 Laser fires at power on after installing C3D board - Hardware Installation - Cohesion3D Community](https://forum.cohesion3d.com/uploads/default/optimized/2X/9/9fd023d6b6b6dd80e6ad3a69b90a5f5ab5c47717_2_1024x768.jpeg)
K40 Laser fires at power on after installing C3D board - Hardware Installation - Cohesion3D Community
![Amazon.com: ZBAITU Air Assist Pump for Laser Cutter, 30L/min Air Assist Pump for Laser Engraver, 110V Low Noise and Strong Airflow Air Assist Pump for Laser Engraving Cutting Machine, with Adjustable Knob Amazon.com: ZBAITU Air Assist Pump for Laser Cutter, 30L/min Air Assist Pump for Laser Engraver, 110V Low Noise and Strong Airflow Air Assist Pump for Laser Engraving Cutting Machine, with Adjustable Knob](https://m.media-amazon.com/images/I/71mWiFtcU9L.jpg)