To be fair, I work with a University that has many makes and models of 3D printers from consumer to metal. There's not a day that goes by that at least one service tech is on site. It's the nature of the beast it seems like. The only machine that is up 90% of the time just happens to be a 3D...
Are you having jetting issues? What material are you currently using, X or Black? Black must be ran everyday, and even then it will clog up the head without maintenance. X can be ran less often, but still should be ran a couple times a week with head maintenance before each print. Crystal, is...
I'd check your offsets first. Is planerizer level +/- 0.0005" left to right. Printhead to planerizer offset to 0.045 +/- 0.001" and a Build start position of 0.040". The "overspray" issue is typically due to the machine being out of spec. It could also be a vacuum issue. Make sure vacuum is...