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  1. […] If you’re noticing haze, soft contrast, rainbow-like blur, or persistent spots that don’t match the screen, cleaning the mirror may help. This guide is aimed at DIY users who can safely access the mirror area without realigning internal optics. As of 2026, projector housings and optical stacks vary a lot by model, so always defer to your projector manual for the exact cleaning and access limits. […]

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