Please make sure laser switch is on, then open lower left hand door panel (or back side door panel), check if the laser power supply is showing sign of receiving power — fans is running and power light is up, like below.
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For example, if you want to engrave a picture of 200×200mm, you move the laser head to the top left corner of the working table and press the “Origin” to set the starting point…..
If your laser cutter’s working area is 600×400mm, but you want to cut a graphic which larger than 600×400mm, this warn appears. Since the laser is not able to work beyond its working…..