After cleaning the lens, you may modify the projector’s target by twisting the main target knob until finally the image on the screen or other surface looks sharp and clear. I found on my Epson projector that equally these settings only show up when your unit is in VGA relationship https://why-is-my-epson-projector32210.popup-blog.com/33628923/5-simple-statements-about-epson-projector-dim-screen-fix-explained