End Stop Calibration

1 End Stop Calibration

The Y and Z axes each use two end stops to home the axes. If you find that over time the axes run out of alignment, you can apply a “soft” offset to the end stops to square the axes.

Pick a point of reference and measure the distance between the reference and the physical axis on the left-hand side when it is homed. Pick the same point of reference mirrored on the right-hand side, and take the difference between the two values.

The offset value can be entered using M666 [Ynnn] [Znnn], where nnn is the offset value in mm.

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