Optoma HD72 Multimedia Projector "build smoker" Questions

...smoker so I am guessing the smoke build up on lens caused heat build up that triggered the shut down. I will continue to wipe the lens before each use. Just so everyone knows, This projector is ...

...smoker and you do it in the same area as your projector, you will get a tar build-up inside the projector. The tar will accumulate on EVERYTHING and eventually lead to overheating as well as color ...