@ilovecoffee said in Z-Offset with only a Switch...I must be daft:

@deckingman said in Z-Offset with only a Switch...I must be daft:

https://duet3d.dozuki.com/Wiki/GCode#Section_M558_Set_Z_probe_type

The P0 you have in M558 indicates that no Z probe is present.

So it should be P4 for a switch? I'll give that a try.

P4,5,6,7 or 8 - depends how you've connected it. It's explained in the link I gave you. Also, if you are using firmware 1.19 or earlier you need to use a non zero value for Z.