Original grinder worked great for grinding with less static than plastic bins. Adjustment was good and the timer was always precise. Unfortunately, after starting to pack up to move, I went to put it back into its original box and found grounds coming out the air vents on the bottom of the unit. So I took the bottom plate off and found the entire motor housing clogged solid with grounds. Sent photos to oxo requesting a replacement. Without much hassle they shipped me a new grinder with a prepaid label to return the old unit for further examination. Definitely surprised me and exceeded my expectations. The new grinder has been working well and no signs of grounds inside housing yet. So far I’m highly impressed.