Dangbei Mars Pro Focus loss

[kogan92]

Hi, I have a Dangbei Mars Pro, since 2023.
Never had a problem so far, but now it starts losing focus after 20-30 minutes, something similar to what my Mijia Projector Youth Edition used to do, but much quicker (like after 10 minutes).
Anything I can do to fix this?

 

[Billy889]

It is usually normal for projectors to be out of focus after overheating, pay attention to ventilation and cooling, and you can try the following methods for troubleshooting.

1. Check for Obstructions: Ensure there are no obstructions or dirt on the lens or the projector's sensor. Even a small speck of dust can affect the focus.
2. Ventilation: Projectors generate heat, and proper ventilation is crucial. Ensure that the ventilation ports are clear and not blocked. Overheating can lead to focus problems.
3. Cooling Time: If the projector has been running for an extended period, it might be overheating. Allow it to cool down for a while and then restart it.
4. Update Firmware: Check if there is a firmware update available for your Dangbei Mars Pro. Manufacturers often release updates to address performance issues.
5. Reset to Factory Settings: Try resetting the projector to its factory settings. This can sometimes resolve software-related issues.
6. Projection Surface: Ensure that the projector is projecting onto a flat and even surface. Uneven surfaces can cause focus problems.
7. Lens Cleaning: Clean the projector lens using a soft, lint-free cloth. Make sure not to scratch the lens.
8. Contact Support: If the issue persists, it's advisable to contact Dangbei customer support. They may provide specific troubleshooting steps or recommend further action.

 

[RichieEmard]

It is usually normal for projectors to be out of focus after overheating, pay attention to ventilation and cooling, and you can try the following methods for troubleshooting.

1. Check for Obstructions: Ensure there are no obstructions or dirt on the lens or the projector's sensor. Even a small speck of dust can affect the focus.
2. Ventilation: Projectors generate heat, and proper ventilation is crucial. Ensure that the ventilation ports are clear and not blocked. Overheating can lead to focus problems.
3. Cooling Time: If the projector has been running for an extended period, it might be overheating. Allow it to cool down for a while and then restart it.
4. Update Firmware: Check if there is a firmware update available for your Dangbei Mars Pro. Manufacturers often release updates to address performance issues.
5. Reset to Factory Settings: Try resetting the projector to its factory settings. This can sometimes resolve software-related issues.
6. Projection Surface: Ensure that the projector is projecting onto a flat and even surface. Uneven surfaces can cause focus problems.
7. Lens Cleaning: Clean the projector lens using a soft, lint-free cloth. Make sure not to scratch the lens.
8. Contact Support: If the issue persists, it's advisable to contact Dangbei customer support. They may provide specific troubleshooting steps or recommend further action.
   
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Thanks for answering, I will try it.