So i was having this same issue. I followed the steps provided by re importing the markcfg7 file and it seemed to fix the issue for a while. But now it has started doing the same thing again. Where the power level seems to get " stuck" on the last power level used. From an engraving pass to a cleani…

In my testing, It only seems to happen to certain files. Tested a few other files and they work fine. One was working fine and then somehow got “corrupted” and started having issues. I regrated the design in a new file and now it is working properly, More testing will need to be done to confirm this…

So, In some more testing, the issue seems to arise when i change the default delays settings. The original settings from the markcfg7 file are as follows: -300, 100, 300, 100. I like them set at: 100, 100, 100, 100. This gives me a cleaner engraving. But the power changing between layers becomes an …

I’ve had mine since February and I’ve had a couple times where the power has changed. I did a clean run on a coin and about 70% was fine them it upped the power or something… It went from clean to burnt. I could hear the change midstream… So far I’ve only suspected it is a communication error… D…

[image] MillerKnifeWorks: the power level seems to get " stuck" on the last power level used. From an engraving pass to a cleaning pass. Then when i restart the job its stuck on the last power level from the cleaning pass. I think it’s a similar issue for sure. I’m going to move this to its …

My laser is a Raycus. I am using the most recent version of lightburn that just updated the other day. 1.4.04. I have attached the original markfg7 file as well as the current prefs file that i am using. I am now getting the desire quality that i want and the power changes between layers seem to b…

[image] jkwilborn: I’ve had mine since February and I’ve had a couple times where the power has changed. I did a clean run on a coin and about 70% was fine them it upped the power or something… It went from clean to burnt. I could hear the change midstream… Please let me know next time you ha…

[image] JohnJohn: next time you have a repeatable That is the problem, same file run great after I restarted the burn. This is why I wrote it off to a communications error… Same file and it fails once then works fine… I did not restart either the fiber or Lightburn, just re-ran the file fr…

This is the most recent file that i have this issue with. die hard christmas 2.lbrn2 (618.9 KB)

[image] jkwilborn: Do you know if there is a way to tee the output to also pipe it to a file? Yes and no… :slight_smile: Wireshark would let you look at the data as it leaves the USB port… I’m sure that the whole log or a single port log would be available. I’d consider the following: If …

[image] MillerKnifeWorks: the current prefs file that i am using. I did notice that your lbprefs file shows that your files are on OneDrive/Desktop/MKW/Laser stuff (etc.) and your Materials (cut) library (.clb) is on OneDrive/Desktop/LIB_Fiber_20221001/ (etc.) We’ve seen some data loss with …

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Galvo not changing power levels between cleaning and engraving passes

LightBurn Hardware Compatibility Galvo