Update the firmware of your machine to the latest, or at least version 1.17.17. There was a change implemented in Luban 4.9.0 and 2.0 firmware 1.17.17 to enable inline power control. Any lower version of firmware and the laser does not turn off.
Update the firmware of your machine to the latest, or at least version 1.17.17. There was a change implemented in Luban 4.9.0 and 2.0 firmware 1.17.17 to enable inline power control. Any lower version of firmware and the laser does not turn off.