Our company recently purchased the Pro bundle for our Ultimaker S5. This kit includes an automatic material station, as well as an air manager.   Since installing the Pro bundle, we've noticed that the printer runs through some sort of nozzle cleaning program before and after each print, where small strings of filament are extruded and dropped off the side of the build plate. Probably 15% of the time, the printer head drops one of those filament strings in such a way that the filament