Problem with random horizontal lines on my engraving

Hey there everyone, I’ve been using this amazing software for some years now but now I’ve run into an issue with my engravings. There appears to be random horizontal lines (direction the machine is going) that pop up all through the design. It seems to have been doing so for a few days now but I just noticed it since its now more in obvious areas. The problem was not there a week a go. (example photos are below)

This is my machine:
[ORIGIN: China]
[PRODUCER: ORTUR]
[AUTHOR: ORTUR]
[MODEL: Ortur Laser Master 2 Pro]
[OLF: 157]
[DATE:22:11:10 - Jan 3 2022]
[VER:1.1f(STM32F103CB).20210705:]
[OPT:VNMZHSL,35,512,3]
Target buffer size found
ok

Lightburn Version is: LightBurn 1.2.04, built Thu 2022-10-13 @ 16:13

The lines themselves are at random, they do not appear at the same spots each time I repeat the engraving.

I did my digging around on the internet and in the forums to double check if someone had already solved it but no dice.

Things I’ve tried: Saving to legacy format lbrn (instead of lbrn2).
Saving to .SVG instead of .ai.
Changing the usb cable.
Check if I had offset fill enabled (it never was)

I´m not that verse in the world of lightburn so sorry if I dont completely understand more difficult technical jargon.



how one of the vectors looks like in preview:

These are the random lines, the ones with a clear small width that are in places that shouldn’t be. I´ve check the file before in the preview section and those lines are not there at all.

It looks like theres an error in the information being sent or the laser just fires off in an area it shouldnt be firing off but just be passing over.
Anyways, im planning on opening up a shop soon and this issue has just popped up before and I really need to solve it, otherwise, product quality wise would be unsellable.

Laptop running Windows 10

Thanks a bunch!

I believe you need a firmware update.

Hey there parsec, thank you for answering.

I know you are recommending a firmware upgrade for my Ortur Laser Master 2 Pro
but I have been running the latest firmware all these years. Final update that I can find for my specific model (not to be confused with the Ortur Laser Master 2 Pro S1 or S2) is update 1.57.

This is my machine:
[ORIGIN: China]
[PRODUCER: ORTUR]
[AUTHOR: ORTUR]
[MODEL: Ortur Laser Master 2 Pro]
[OLF: 157]
[DATE:22:11:10 - Jan 3 2022]
[VER:1.1f(STM32F103CB).20210705:]
[OPT:VNMZHSL,35,512,3]

Thank you though!

Surely, other must be the problem.

Sorry other motherboard, for yours is 1.72 .
Lets wait for @gilaraujo if he has the firmware and if it addresses your issue.

This is the “Founders Edition” - as in the very first OLM2 Pro - version
157 is the highest version possible.

I am a bit confused on which lines are not supposed to be there.

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