Laser Not Firing - Head not found - Yellow Light

The other day 75% of my left and right LED strip went bad at random. Then I received an error message stating head not found and had trouble focusing. Then my laser just completely stopped marking the material. I have no clue what is going on

Highest likelyhood is a bad black cable. They sell them in the Glowforge shop under parts, if in stock. They come and go in stock routinely. If you have warranty, and see if they’ll send you one.

Could be other issues but this is by far the most likely. The support area also has a tutorial on replacing the black cable.

Also: there’s some other links and things to look at in this thread.

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