Heya, on super large prints where something goes amiss, (Gigabot stripping extruder gear on hour 49 of a 60hr print), Sometimes I will try to salvage it by slicing the model starting at the height the printer left off at.
The problem: Instead of lifting the print head to the desired height, then moving over to resume the print , it moves the print to the correct X&Y smashing it into the part, then attempts to move vertically to the print height while you scramble for the E-stop button.
The solution: Change the Gcode output to put the layer height Z move before the first XY move.
The interim solution: manualy open the gcode in text edit. Then manually cut/past the first Z move in front of the first X,Y move.
If this could be adjusted (or if there is an easier way to do this) that would be great!