6040 cnc z axis stuttering

I did multiple tests on the Z axis to trouble shoot what was going wrong.
Things to test:
•Wiring (plug connectors)
•stepper driver controller
•stepper driver
•software
•PC
•parallel cable

It looks like the stepper driver is broken. I trouble shooted it by replacing the Z axis driver with the Y and the X driver and the stepper motor seemed to work fine. My cnc is a 6040 cnc and it had a YOOCNC YOC335. Inside of it was a TB6560 TB6560AHQ to be exact. I will try to fix it by replacing this with a TB6600 stepper motor driver instead because I cant find the exact same stepper motor driver anywhere.

Mine was the same as this one that i found online.

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