Firmware diff. lighton burner

my lighton burner 20A1P has frimware KLOA what is difference between this firmware and DR20KL0N?. What i did was update to this new firmware and now i’m burning at 16x not 18 or 20x so i paniced LOL went back to original firmware and still 16x Light Bulp went off went to smart burn every thing was uncheck so recheck all is well,
leave good enough along?.

Hi :slight_smile:
Most folk find KLON to be the better f/w.
However did you clear OPC history before flashing?
Have you tried flashing in safe mode?