* The machine does not cut, many sparks visible. The process table is not set correctly or the cutting head or optics is dirty. Ensure correct focal offset, cut speed, cut height, and gas pressure in process table. Check that the nozzle tip is clean, wipe off slag with Scotchbrite. | * The machine does not cut, many sparks visible. The process table is not set correctly or the cutting head or optics is dirty. Ensure correct focal offset, cut speed, cut height, and gas pressure in process table. Check that the nozzle tip is clean, wipe off slag with Scotchbrite. |