Hi Guys an Gals
Since moving to prontoface I cannot print as the extruder motor just 'rocks' back and forth.
I tried this motor on an axis and it works just fine, swapped another motor and the problem is the same.
Am running both windows 7 64 and 32 bit and the problem is duplicated.

Arduino 18...
Gen 6
Basic Reprap

Best
Frederick

got the same pb on ramps, was the pug not plugged correctly

anyway look like an electonic/electrical pb not a soft one (or may be a host configuration pb)

Sounds like it may be your stepper driver is dead or the current is too low.

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