Answer: In some instances, stalling of the stepper motor causes a big voltage spike that damages the stage transistors on the driver. Some drivers are created to shield on their own from this sort of occurrences. General guideline: Use microstepping for clean motion; depend on complete measures for place accuracy; https://landleed.mpeblog.com/71774065/how-to-reduce-the-vibration-of-a-stepper-motor