Motors/Software/Drivers loosing position?

Machine: Chinese laser

Board: Cohesion3D LaserBoard

Firmware: Smoothie

Problem/ Question: Hello Forum.
I’m hoping to get some assistance in troubleshooting an issue with my Chinese laser. Motors/Software/Drivers seem to loose position during complex burn. I’ve tried suggestions from other posts without success: Reduce acceleration and seek speed.

-Cohesion3D LaserBoard with external 4A drivers.

-Issue only happens when burning a complex vector file. (Example Right Alexis, Example Left Claire no problem)

-Does not seem to be speed related.

-Y motor has been upgraded

-Config file attached

config.txt (28.4 KB)

-Pictures attached.

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