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I tested probing and it works fine. My mistake was thinking that I needed to enable MIN_HARDWARE_ENDSTOP_Z for the probing to work. This caused the FSRs to trigger the Z_MIN end stop randomly causing the layer shifting. Printing and probing just fine with only FEATURE_Z_PROBE enabled. Thanks for the...

I tried with ALWAYS_CHECK_ENDSTOPS set to False and it still happened. I disabled MIN_HARDWARE_ENDSTOP_Z and the shifting went away. I have not tested probing yet but this is very encouraging.

That's a good point. Probably the Z tower somehow. Could it be that I have the FSR on the Z endstop pin? If the FSR were triggering would that stop the Z motor while its printing? Seems likely, I found this: To anyone else who happens across this. The low level code that check any axis endstop only ...

Non-print speed in Mattercontrol is 200mm. First layer is 20, Infill is 40, Bridges is 60. I checked the board fan and it seems fine. Should I try with the board removed from the base to check? I also don't understand why it is only moving towards the Z tower. Wouldn't it go back and forth? and woul...

My printer has started having this problem. I tried checking the belts and cheapskates, everything seems to move freely or stay tight as appropriate. The shifting is directly towards the Z tower and is extreme. I checked the fan on the rambo. I have repeiter 0.92.2 (20170822) loaded. Its a stock v2 ...