It is necessary to clean the lens of the projector to keep a good viewing experience. Here is a guide on Optoma UHD55 Lens Cleaning. You can follow the tips below to clean the lens of the Optoma UHD55 projector.
Tips:
Before cleaning the lens, be sure to turn off the projector and unplug the power cord to allow it to completely cool down.
Use a compressed air tank to remove the dust from the Optoma UHD55 projector.
Use a special cloth for cleaning the lens and gently wipe the lens. Do not touch the lens with your fingers.
Do not use alkaline/acid detergents or volatile solvents such as alcohol for cleaning the lens. If the lens is damaged due to the cleaning process, it is not covered by the warranty.
Warning:
Do not use a spray containing flammable gases to remove dust or dirt from the lens. This may cause a fire due to excessive heat inside the projector.
Do not clean the lens if the projector is warming up as this may cause the lens’ surface film to peel off.
Do not wipe or tap the lens of the Optoma UHD55 projector with a hard object.