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Hello,

I bought Geeetech Prusa I3 X 3D printer from Craigslist and the motors are not working. I have done the following:

1. fixed the wiring per motor specification.

2. upload the new version of the Marlin firmware.

3. adjust the voltage on DRV8825 Stepper Motor to .7v.

after doing above changes the motors are not working at all.

I would be appreciated if you can help me to fix the problem.

Thanks,

Sam