What is the difference between:
- Tune -> Bed Z
- Tune -> Babystep Z
- Control -> Motion -> Z Offset
And when are you supposed to use "Bed Z"?
What is the difference between:
And when are you supposed to use "Bed Z"?
http://marlinfw.org/docs/features/lcd_menu.html#tune
Per description in this table, this refers to the Mesh Bed Leveling process. It allows to modify all saved mesh z-offsets by the given amount.
http://marlinfw.org/docs/gcode/M290.html
This just instructs the motor to move the given amount, once, without changing any parameters.
http://marlinfw.org/docs/gcode/M851.html
Here we are talking about the offset of a z probe (e.g. BL-Touch) from the nozzle.