I have a Cutting problem--! Why the starting point of a cutting graphic can't meet with its end point

[Sword]

This problem is due to the different movement of the belt on both sides of the Y-axis, which lead the belt is not synchronized.
1. The coupling loose
2. The gear of transmission shaft loose

• 1. The coupling loose;

Please check if one of couplings is loose like below:

If yes, please tighten it in clockwise with M5 Allen wrench.

• 2. The gear of transmission shaft loose

Please check which side of gear of transmission shaft is unfixed like below:

If yes, please tighten it in clockwise with M5 Allen wrench.
there are another ways to improve the cutting problem by adjusting software.

• 1. Reduce the User setting of Go Acc factor and Speed factor to minimize the impact Like below:

If nothing,please follow next step to tick the option of "Backlash reapy optim"

• 2. An option of software for optimizing that problem.

Then re-download the file to laser machine and test again.

--I am not a technician,just a porter of knowledge.