* Dec. 1, 2018: NOT working. Needs a tube replacement, probably. It's going to be a while. It will not happen faster if you ask when it's going to be fixed. NOBODY KNOWS YET.
* (2018/02/26) Working. Z-Axis motor having some issues? 2-25-2018
* (2018/02/26) Working. Z-Axis motor having some issues? 2-25-2018