How to clean a projector inside the lens – in just 5 steps

Cleaning a projector inside a lens is one of the hardest and most time-consuming jobs that you will ever have to do if you are a projector owner. It can be very frustrating, but it’s worth it in the end! Not only does this job keep your projector from getting dirty images, but it also helps prolong its life.

If you are going to clean a projector inside the lens for the first time then please read this article carefully before you start.

Things to Keep With You while Cleaning projector lens

There are various important things you should keep with you while cleaning the projector lens. They will help you to finish your task without any hindrances. Here, we have listed several points which are all vital for a successful cleanup.

  • Lens cleaning papers
  • Microfiber cloth
  • Tissue papers
  • Lens cleaning solution
  • Compressed air

Step by step guide on how to clean a projector inside lens

 Preparation for opening projector

Step 1:- First, turn off the projector and remove the cord, especially if you are using it before cleaning. Let it cool. Wait for at least thirty minutes when in use so that the lens can be opened without being damaged by the heat.

Cleaning Projector From Outside

step 2:- You can use a soft cloth to wipe the surface of your projector with it. You must do this gently not by rubbing too hard or else you will damage the lens.

Cleaning Projector From inside

Step 3:- After cleaning from the outside it’s time to clean the projector lens from the inside. For this, you need a blower and use short burst air to clean the inside of the projector.

This should help eliminate all dirt particles left over after wiping down the outside.

Caution:- Be careful not to use too much pressure or hold it too close as that can cause problems for sensitive electronics and electrical components within the device.

Cleaning of lens

Step 4: Finally, Remove the lens cover and wipe with a dry cloth, take a few drops of lens cleaning solution, and spread it with a microfiber cloth in circular motions.

Now let it sit for 5 minutes before you remove any excess liquid from around edges or inside projector lenses. Let them air dry as well!

Frequntly asked question

How do I keep dust out of my projector?

The simple and short answer to this question is don’t use your projector in dusty surroundings especially in an outdoor environment.

Can you clean projector lens with alcohol?

Alcohol is one of the most commonly recommended methods for cleaning your projector’s lenses. But alcohol isn’t technically designed to remove dirt or grease. But it will damage your lens coating.

How do you get scratches out of a projector lens?

It is not possible to get scratches out but it is possible to minimize the effect of scratches on the lens by applying toothpaste and then cleaning it with a soft cloth.


This blog post is a quick guide on how to clean your projector lens. It provides step-by-step instructions on what you will need and the process of cleaning the inner surface of your projector’s lens. If this sounds knowledgeable to you, feel free to appreciate our guide or have any queries regarding this guide ask me in the comment section or contact us for more information!

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