I am having issues with cutting. I just received my machine and have been using it for about a week now and had several successful cuts/engraves. Thursday I went to cut a file and everything engraved fine, but the laser did not cut through the material. I tried putting it back in the machine and cut the edges out again. I was able to eventually push through the design (which splintered the wood). I tried a new design, on the same proof grade material (medium maple plywood) and again, the same issue.
I removed the tray, made sure it was clean and there was no debris at the bottom and put it carefully back on the dimples. I then followed the instructions on the website for cleaning inside the machine and each of the lenses. I reassembled everything and put in a piece of the proof grade draft board to see if it would cut. The board seems completely flat on the tray. I had the same issue, and this time