my endstop are in negative axi Z and in positiv axis ybut and x.
with the program Cura, that i use to my 3d printer, i move all axis in manual mode. when i push Z axis do a homing, go down and when toch endstop, put 0 in position axi Z.
When i push the other axis, don't move and put 0 in the axis X or Y position.
to move the axis, wich program you use?
good lucky in your exams. I can wait until you finish.