Having a hard time with the jtech 3.8 and piclaser/sender

[picengravertoo]

Here are some instructions for focusing your J-Tech laser.

Problems with getting my laser going

Looks like you need to focus your lens better. We found that a distance of 3" from the heat sink’s face to the material is best for raster engraving photos. Make sure you have your laser safety glasses on. First go above the 3" distance so the laser goes out of focus. The laser’s beam will be a rectangular shape. Loosen the screw in the front of your heat sink and rotate the module so the longest side of the beam is parallel with the engraving angle you plan on using in PEP5. One of the 45D ang…