Sure, other things to note yesterday installed new pinion gear, and swapped racks with X and nothing has changed. Another thing I noticed is that one or both of the racks I had off had a decent bow in it I could mesh the teeth on both and rock them back and forth. How tight are most of you tightening down the pinion gear? Mine has always been relatively tight because if I don't crank them down I can push the Z axis a very small amount with the motors on and engaged. I'm still wondering if racks may be the issue, but before dumping more money at it, I'd like to know if anyone else has suggestions.
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