Rotary Issues with Boss laser

I have recently crossed over to LightBurn from RDworks. I’m having an issue with engraving on cups. I am attempting to engrave two items on the cup directly across from one another. The problem I am having is on the first engraving, it cuts part of the beginning off, I have tried this in LightBurn and RDworks and both software’s do exactly the same thing. I’m going to try and post a pic of whats happening. Ive been told to make sure the Y axis is at 0 but that has not been explained to me where I can check that. Any help would be greatly appreciated, I have cut the thing 5 times today and it continues to do the same thing.

That looks to me like the rotary isn’t starting to spin right away - backlash, gear slop, belt slack, or something along those lines. Look for mechanical play in the rotary and see if that’s an issue first.

I will check it. Its brand new, maybe I need to contact Boss to see if they are having problems like this,

The belt was loose on the rotary, Its working fine now, Thanks for the advise.

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