So I have an ender 3 s1 with the 5w laser module. I’ve received the free trial for lightburn software to make sure it will work with the software. I’ve got the laser head moving and engraving but no matter what I do the laser will not turn off during travel moves. I have tried the GRBL code, GRBL-M3 code, and the Marlin Code. I have also tried the $32=1 in the console but that wont work either. It always stays on and i cant seem to figure out why. any help will be appreciated, thank you.
Which firmware is running on the printer? You need to make sure that the firmware is laser compatible and then choose the corresponding dialect in LightBurn.
its the updated firmware for the ender 3 s1 that allows laser engraving
the default version lightburn uses when automatically detecting the printer is
GRBL-M3
grbl-m3 is definitely the worst option. 
LightBurn tries to read the version string reported by the firmware and that’s often not reported correctly. I don’t think your firmware is such outdated that it runs on m3 mode. I do not recommend automatic detection. Get the firmware documentation and see which dialog the board understands. Then choose the corresponding one in LightBurn.
Any examples as to what I might be looking for exactly for the firmware documentation. I will definitely be looking in the morning but I’m unsure as to what it could be. The printer works on marlin for gcode but the laser is pwm controlled and I’m not sure where to go from there. I appreciate the help though.
Most signals are PWM controlled, the printer heating elements etc. as well. So this shouldn’t be a major problem. Is there any documentation available for your printer/the laser firmware for it?
Not that I could find. I’m not sure exactly what documentation you could be referring to as well. All I could find is that the printer runs on marlin 2.0.8
If the printer runs on Marlin, you definitely need to change the laser type to Marlin in LightBurn. If done so, you have some more options to configure your laser. Check the devices settings. For example, you can select the tool index or choose “emit S value with every G1 command”. Those options might need to be set correctly for your variant. And this can only be derived from the specific Marlin configuration of your version. That’s why I asked for documentation of your laser firmware. I guess Marlin can be configured in different ways, using different I/O signals for the laser head etc. And your LightBurn config must match this. Otherwise it won’t work.
That sounds quite difficult. I’ll mess with it tomorrow and if I find any more documentation I’ll add it here. I appreciate the help. Thank you.
i havent found any documentation on the printer. but when im using marlin in lightburn the head wont move at all
I never used a Marlin-based laser, so I can’t help here.
I think I have an old printer mainboard, I will check if I can find it and try to use Marlin with a laser…
does it home to the limit switches when you power it up? Also try moving it via GCode on the LightBurn console and see what your Marlin firmware is complaining about.
I got the head to move using marlin but it won’t turn the laser on at all now
Search the forum. I remember reading something about this previously.
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