Guglao sam pink and green vertical lines projector i našao sam forume gdje je bio ovaj link kako očistiti i maknuti te linije, liči na tvoj projektor
https://sites.google.com/site/epsonpowerlite5500c/home
Before you start playing with things, it is important to PAY ATTENTION TO WHERE EACH LENS AND FILTER GOES! THEY ARE NOT INTERCHANGABLE AND ORIENTATION MATTERS! This sounds scary but it's not. Clean one lens or filter at a time, then set it back in place