Question about Optoma EzPro 739 Multimedia Projector

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New lamp, still says "Lamp Approaching End of Life" message

I have installed a new lamp and when I turn the projector on, I get the same "Lamp Approching End of Life" message. Any ideas? It is the 2nd new bulb I have tried with the same result. Optoma Support is of no help, they can't even find the model number from the form I filled out on the web to get my support call started.

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Re: New lamp, still says "Lamp Approaching End of Life"...

Did you reset the lamp hours in the menu? I believe it checks lamp life by how many hours it has been used.

Posted on Sep 08, 2007

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Re: New lamp, still says "Lamp Approaching End of Life"...

Is there a light sensor in the unit?.Could be dirt/scum on glass,top and underside,reflectors or mirrors.Clean with glass cleaner. Dave,, Ulster,, Northern Ireland,,

Posted on Mar 25, 2007

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1 Answer

Installation of lamp unsuccessfull. Lamp light continues to come on after new lamp intalled.

Projectors have a Lamp Life Clock that needs to be reset when bulbs are changed for your projector you need to:

1) Turn your projector on
2) Go to the option menu
3) Choose "Lamp Time"
4) Hold the "reset" button for at least 3 seconds on the remote, or the > arrow on the projector.
5) Confirm the dialogue that pops up...

That should be it.

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Lamp didn't strike


lamps are affected by strikes. each strike erodes a part of the anode. so in essence, the lamp wears out. However a Xenon has a much longer hour life as once it is running, it cares "relatively" little about how long. SO for commercial units, this is an advantage. there are also larger potential issues about colour stability over life.

with UHP, they care only minimally about strikes, it really is not even a strike, so while frequent on and off can kill it early, with normal usage, you are going to be fine. However with a UHP, if a lamp runs for longer times... then you have issues. THe way i had it explained to me was as such;
With a UHP, it gets up to proper operating temp in about 5 mins. once it is there... it SLOOWWWLLLLLYYYYY continues to heat up. After about 2-3 hours, it starts going outside the nominal operating range. once it does so, it starts to degrade the lamp. thereby lowering life expectancy. if you shut it off after about two hours or so and let it cool for ten mins then do it again for two hours... you are in a much better place. In a grand scheme, apparently if you run the proj for an average of 4-6 hours every time, then expected lamp life goes to about 50%. THis is very rough and in a general sense so just take it as general guidelines.


Lamp life for a projector will vary based on many factors including application, installation, intake of cool air and exhaust of hot air, usage, and proper maintenance. Heat buildup can reduce lamp life and even damage your projector. Here are some tips to help your projector lamps last longer.

Once you turn on your projector, wait at least five minutes before turning it off to allow the fan to properly cool the unit. After the fan has cooled your projector, you may unplug it and store it as desired.

Do not obstruct the air intake or exhaust vent. Paper should not be placed on top of a projector, or where vents are located.
Keep the exhaust vent at least two feet from any object.

If the projector is built into a compartment, wall, ceiling or shelf mount, the minimum distance requirement (usually at least two feet) stated in your owners manual must be maintained.

Clean the projector's air intake filter every three to six months -- or more frequently -- based on your operating environment.

Do not move your projector until the lamp has cooled (about five minutes).

Run your projector for two weeks and/or 20 hours shortly after your purchase. If the lamp is going to fail, it will usually occur within the first ten hours of operation. Lamp warranties typically last just 90-180 days from the date of purchase, rather than the first installation.

When you purchase a replacement lamp for your projector, remove the existing lamp and use the old lamp as your spare. If your projector is new, test the original lamp for the two weeks/20 hours before removing and storing as a spare.

I hope the info. which i have given you solves ur problem if not i am sad to say you have to get it repaired..

Please don't forget to rate me as fixya..

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1 Answer

How do you install new light bulb

The Projector will detect the lamp life itself. It will show you a warning message renstrike_1.jpg
When you see this message, change the lamp as soon as possible. Make sure the projector has been cooled down for at least 30 minutes before changing the lamp
  1. Switch off the power to the projector by pressing the Power/Standby button.
  2. Allow the projector to cool down at least 30 minutes.
  3. Disconnect the power cord.
  4. Use the screwdriver to remove the screw from the cover. (1)
  5. Push up and remove the cover. (2)
  6. Remove the 2 screws from the lamp module. (3)
  7. Pull out the lamp module. (4)
To Replace the lamp module, reverse the previous steps,

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Bulb "End of Life" message

for replacing the lamp do yhe following.

1.Remove the lamp cover by pushing two grooves lightly with the flathead

screwdriver. You can see the lamp cover on the top of the projector. ( left side of the lens)

2.Loosen the two screws securing the lamp housing until the screwdriver

goes into a freewheeling condition. The two screws are not


3.Remove the lamp housing by pulling out the handle

4.Insert a new lamp housing until the lamp housing is plugged into the


5.Secure it in place with the two screws.Be sure to tighten the screws.

6.Reattach the lamp cover

7.Snap the lamp cover into place.

Replacing a new lamp automatically clears the lamp usage hours ok

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1 Answer

Can't start infocus sp7200 after changing lamp.

The end of lamp timer has reached it's limit and won't let the new lamp strike. What you need to do is Reset the end of life timer. To do this, with the projector switched off press and hold both the up and down Brightness buttons on the projector. while holding them in turn on the projector. Continue holding the buttons in for 10 to 15 seconds This will reset the end of life timer in the projector.


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Lamp is near end of life. Try reseting lamp timer and order new lamp if unit stays on

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Mitsubishi HC900 Projector shuts down after 5 minutes.

You have 1 of 2 possible problems.

(1) You need a new lamp.

(2) You have an overheating problem.

Just a quick couple of notes about your projector. It is a DLP projector (not LCD) and as such the machine as no air filters to clean. It does have air intake and air exhaust grilles, but no air filters to clean. This next part comes directly from the owner' manual for your projector:

When the lamp operation time exceeds 2000 hours*1 *2, the projector automatically shuts off and can’t be used until the lamp is replaced and the lamp operation time is reset.

Your machine is designed to give visual warning messages at 1500 hours used, and 1900 hours used. Did you see any visual warning about lamp life over the past few months?

If you were experiencing an overheating problem, a "TEMPERATURE!!" message would flash up on the screen just before the unit shuts down. If there is no warning, you don't have a heat problem.

If you have a replacement lamp available, install it and reset the lmap hours according to your user manual. If you don't have the manual, google it on the web (it available).

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