M104 S0 ; turn off temperature M140 S0 ; turn off bed G91; set relative positioning G1 Z30; move Z Axis up 30MM G28 X ; Home X G28 Y; Home Y G1 X195 ; Move X to end to present print What happens if my Z axis is already at 179MM (Max of 180MM) will the steppers try and make it go up to 209MM causing the Z axis lead screws to come off/crashing it into the top of my printer, or will it go to 180 and stop? http://ift.tt/29ZPO6b