1. Laser head installation knowledge: In order to prevent electromagnetic interference, the laser head is shipped from the factory, it is generally equipped with a protective solder joint (on optical head circuit board or on a flexible cable). Otherwise, the laser head will not work properly.
2. Before purchasing: please make sure you have enough power to replace the laser head or other accessories you need. Dont do that! Experts to replace after you purchase our products. Test! Do not damage the product itself and your machine.