Questions & Answers for: Dukane dust

...most likely the main board(green channel). If the focusing removes the purple(you have *that* much dust in the unit?) then it *is* dust. You should be able to focus on the dust particles twice--dust ...

...cleaned the unit and i still have a huge brown spot on the screen??? brown spot on the screen the dust on the top of the LCD panels, need to clean the LCD panels We supply original projector ...