Understanding X and Y limits and homing....Questions

[LifeOfBrian]

If your endstop is at the maximum position then it homes towards max and not 0.
Endstop position can be beyond the maximum or minimum limits and can even be negative if the nozzle leaves the printable area.

You may want to read here for this:

Understanding X and Y Axes Limits and Homing

The X and Y Axis Klipper needs to know from its printer.cfg settings how far the X and Y axes can safely move without hitting the printer’s frame. It also needs to know where the origin (X=0 / Y=0) is. This origin is the beginning of the usable printer bed. In the following, we assume a Cartesian printer that follows the conventions of a Cartesian Coordinate System. This is also the reason why it is a quasi-standard to define the origin as the left-front corner of the bed. This way, all logic…