Turns out a misaligned mirror made the laser hit the lens in a weird way, and then bouncing off something on the way out to produce this double line. Probably. What kind of strange troubleshooting have you done and what was the reason/fix?
this post was submitted on 12 May 2024
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Oh followup question!
Do the double lines only happen in specific areas of the cutting bed?
I was getting weak cuts in the lower right of my machine due to some misalignment. Presumably because that's the position where the mirrors are farthest apart
I didn't do enough tests, but it appeared more or less in every part of the bed. The guy who is an expert on this particular machine came and aligned the mirrors so it works now. He did say that the back mirror was most misaligned, and that that should really not be possible or something like that.
Yeah that is pretty weird. The rear mirror is fixed to the body of the machine, it's usually the front mirror that rides on the gantry that gets misaligned "naturally"
Maybe someone smacked it on accident...somehow lol