What is homing?
From the tag wiki homing we can read:
The process of determining the location of a 3D printer nozzle in
three dimension using a reference point (home location) is referred to
as "homing". Homing should occur before every print and involves
bringing the X, Y and Z-Axis motors to pre-defined limit locations
(usually these are ...
Most 3d printers control head position using stepper motors and end stops with no position feedback. The stepper motor does not actually know its location.
The printer's control system can only know the location of the head by keeping track of the relative number of steps the head has been moved by the stepper motors.
Homing moves all the axes in one ...