Question about Epson PowerLite 5000XB Multimedia Projector

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Red specks on screen always in the same spot

It acts as though the lens has dust on it but it is clean. I think it has dust on the backside of the lens. Is there any way to clean or blow that dust out? Dave in Ft Myers

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You can take the projector apart and carefully clean the backside of the lens.

Posted on Dec 05, 2007

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Spots on screen with epson moviemate25


This sounds like a common 'Dust Blob' issue. Dust can accumulate on the LCDs or inside of the lens. You can sometimes take them apart, and use compressed air to clean the lens and LCDs.

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How could I clean camera lens? The problem is I see a speck of dust in all my shots. Could I dismount the camera? Many thanks for your help.


the lens does not come off of that camcorder easily. if the dust is on the outside just use a little windex (spray the cloth, not the lense) and wife in a circular motion. If the dust spot (maybe its not dust). is on the inside you will have to have the lens taken off by a professional.

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Black spot on pictures - cleaned lenses and inside


The spots can be in the inside of the lens settings to the CCD/imager.
If the cleaning of the lens is done well it can be a speck of dust logged in to the screen and having it on the image.
A careful cleaning in a dust proof set up is required.

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Pentax SMC D 16-45 Lens How to clean inside? Pictures are showing spots and all the outside lens have been cleaned along with the inside of the camera itself. Can not see the spots when taking pics only...


Your lens would need to be absolutely filthy with enormous dirt specks to cause the fault you describe. Dust, fingerprints, and regular minor debris simply doesn't show in the final image. In any case, you cannot clean inside the lens without dismantling it and that is a job for experienced specialists only.

Your fault is a dirty image sensor. You can buy sensor cleaning kits, but if you're inexperienced with them or trying to clean the sensor in a dusty environment you'll just make matters worse. Many camera shops offer sensor cleaning while you wait at relatively low cost. The reason you don't see the dirt when taking the picture is either because you're looking through the optical viewfinder or because the LCD screen simply doesn't magnify the image enough to show the marks which are present in the image.

You can prevent the dirt from reoccurring by never leaving the camera with the lens throat open for more than strictly necessary, and by always trying to keep the open lens throat pointing slightly down when swapping lenses.

I hope that I've helped, please take a moment to rate my answer.

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There's some dust spots in my pictures with my Nikon D80. I have sent it for sensor cleaning at Nikon centre but seems that the spots cannot be removed as the technician says it's hidden underneath/behind...


I think the problem is with the technician. I suggest you talk to the manager and ask for another technician to help you with this problem. I do not recommend trying to clean the sensor yourself as you may cause more harm than good.

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1 Answer

Yellow spots on the projected image


Hello there. First, some info you need...Green LCD=purple onscreen, Red LCD=cyan(baby blue) onscreen, and Blue LCD=yellow onscreen.
These spots (specks?) are probably dust particles that get past the filter. Annoying but harmless. To check if they are indeed dust bits, if you can focus sharply on them, then yes, its dust. To remove the particles completely will require a service. They will only return eventually. You can try to blow out the biggest offenders with some canned air. And, to help slow down dust entry, keep the dust filter cleaned so that the unit always has plenty of air movement--you'll have a cleaner image with the added benefit of LONGER life of the lamp and projector components (dust is the number 1 killer of projectors)

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1 Answer

Dirt speck


It is probably a speck of dust on the sensor. Get a blower from any camera shop, remove the lens,lock up the mirror (mirror lock up in camera menu) and give the sensor a good blow ( without touching it) while holding the camera front down so that any specks of dust fall away from the sensor. Sometimes specks can stick (pollen for example) in which case you could try a disposable swab and cleaning solution, although if unsure most camera shops provide the service pretty cheap - the sensor would be a lot more expensive to replace if you mess it up.

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New camera - this is not going to get better

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3 Answers

Purple Specks on Screen


HAD THE SAME PROB, YOU HAVE TO DISASSEMBLE AND CLEAN THE LENS ASSEMBLY

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