Tip & How-To about Office Equipment & Supplies

BENQ MP622C light tunnel adjustment

Hello guys,

I have a BENQ MP622C and had the same problem with shadow on the right side. I found out that there are two screws for adjusting the position of the mirror. One on the top of the light tunnel and one from the side, when you look from the front, just next to the main lens, see pics below.
It helped me a lot, maybe another 1000-2000 hours of play, hopefuly more....

ENJOY!

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buy one from an infocus service center. they're under $20 (because it has a 16:9 ratio). but to replace it, you have to remove the top, front, and rear panels. between the lamp and the lens is the colorwheel. carefully remove the 2 screws holding it on and set it aside. the ribbon cable is still attached, so you have limited space. remove the screws holding the tunnel clamp. remove the clamp and the tunnel. replace and reverse instructions. it's part # 306-0095-01

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