This is an old thread you are reviving but still there is this one more important piece of information about the MP select mini printers. The leadscrew, stepper driver, and motor combination driving Z means that you do not have the best resolution for commanding just any old layer height. And so for best results with the MP mini printers there are very specific layer heights we need to adhere to. Pick and print with one of these layer heights for the best results with your MP mini/ Mylan 200 printer:

0.04375
0.0875
0.13125
0.175
0.21875
0.2625
0.30625