Projector Lamps: Product Overview

LCD projector lamp bulbs don't simply burn out the way lightbulbs do: over time, they slowly dim, sometimes to as little as 50% of their rated brightness. Some projectors will give you a warning message as the lamp begins to fade, but not all do, and it can be hard to notice the gradual change.

We recommend that you keep track of how long a given lamp has been in use. You don't need an exact count of every hour used, but having a general idea will help you know when it's time for a change.

When it is time to buy a new lamp, you'll have to shop for the exact bulb for your projector. There are dozens of different types of lamps, all with slightly different shapes and lenses, and trying to use a lamp that doesn't match your projector could cause injury or damage to the projector. Use the model number from your projector to make sure you get the right lamp.

If you are purchasing a replacement projector lamp, be prepared for some sticker shock: new lamps can cost $200 to $500. Fortunately, the average lifespan is 1,000 to 2,000 hours, so you should get long-term value from your purchase.

Changing a projector lamp isn't hard, but requires a couple of important safety precautions. First, make sure the projector has been off for at least 30 minutes. Projector lamps burn at incredibly hot temperatures, so this cooling time is important.

Second – and this should be common sense – unplug the projector before changing the bulb. Simply turning it off isn't enough to completely protect you from electric shocks.

Once the projector is cool and unplugged, just follow the replacement instructions that come with the lamp. Typically, you need only a screwdriver and 15 minutes to make the switch.

Help your lamps last longer by:

• Never turn them on for less than 5 minutes
• Make sure the projector remains plugged in for at least 30 minutes after you turn it off
• Maintain good airflow – leave plenty of space around the projector and regularly clean filters and vents

These precautions will help maintain proper heating and cooling cycles and contribute to longer projector lamp life.

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