Burning image issue

[ednisley]

@tednizzi

something about a letter in the g code

Without more information, this discussion may be helpful (it’s for a diode laser, but the error seems about the same)l:

I need help error 20

Assuming the error is GRBL’s Error 20, it’s generally caused by: Selecting the wrong device type (you want plain GRBL) Having G-Code Clustering turned on in Edit → Device Settings I think device auto-detection sometimes gets those wrong, so you may not have seen those choices go past while setting up the laser device. The Diode Laser Wiki has far more detail on LightBurn’s settings: His preconfigured S30 device profile may come in handy. If tweaking those settings doesn’t get it runnin…

Your Genmitsu is probably a GRBL machine, so make sure that’s what LightBurn thinks it is.

If that doesn’t solve the problem, copy-n-paste the Console log to provide more detail on what’s going on.