I've gotta be missing something here. When I first started printing, I ran into a few head strikes and learned with the media thickness I'm using, that I needed to set my planten gap / head height hither to prevent that.
Why is there even a setting? Why not always have it on the highest setting? I can't find anyone saying they need to lower it for some reason. It doesn't look to me like the print quality is any less on a higher setting, but I'm not using any magnification to do the comparison. There has to be some reason...