LUNYEE LE 4040 Laser Engraving Machine Assembly and Operation Guide | Complete Tutorial

In this video, we will show you how to assemble our LE 4040 laser engraver, teach you how to properly wire it, and show you the steps of the engraving process. Whether you are a beginner or an experienced user, this tutorial will help you assemble and use the machine smoothly. At the end, you can also see the engraved sample display to make sure you are satisfied with the finished product.
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