MX850UST FAQ | BenQ Canada

MX850UST

How can I extend lamp life?

Why does projector have black line or flicker on the display?

Please don't place the projector in any of the following environments.

After covering the lamp lens while projector is on, the image is now blurred.

Can I leave my projector turned on 24/7?

What is BenQ Short-Throw Technology?

What is the difference between DLP projectors and LCD projectors?

Why is the lamp is not as bright (or dimmed) after using for a period of time?

What reason will cause lamp to breakdown?

How long is the life-span of the light bulbs of the projector?

How do I clean the lens?

The lamp is not on but the fan remains running, what is happening?

Can I use the projector in a smoky and dusty environment?

What's different between native resolution and supported resolution?

Projection is blurry, what can I do?

How to change the lamp?

Why does projector have some noise?

My projector powers off randomly. What is causing this?

My projector is suffering auto shutdown, what can I do?

The projection is out of position or not displayed in full, what can I do?

Why projector shows "USB Display detected", but no image is displayed on the screen ?

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