Replace your BenQ MP776 projector lamp

Written by
  • Shelagh M.
  • 12 years ago

BenQ MP776 projector, BenQ 5J.J0405.001 lampFollow this 3 step-by-step guide to replace the BenQ 5J.J0405.001 lamp in your BenQ MP776 projector.

Why authentic lamps

The Internet has been swamped with companies selling generic, compatible BenQ 5J.J0405.001 lamps. Each of these copy-cat manufacturers claim their product is equal to an OEM lamp. Knock-off compatible lamps will never be as good as the original lamps and using them can harm your projector. Created with  carcinogenic, toxic substances as well as inferior parts and shoddy workmanship makes these generic lamps vulnerable to explosions.
Not only will these counterfeit generic lamp compromise your health and safety, installing one will void any warranty for your BenQ MP776 projector. Spend the few extra dollars for a genuine OEM lamp.  You’ll also be getting a BenQ 5J.J0405.001 lamp that helps your projector to work at its optimal level along with a money-back guaranty should there be any problems. Most OEM manufacturers also offer tech support. Educate yourself and learn how to spot a counterfeit lamp so you can buy authentic.

Warning Messages

Your BenQ MP776 projector will give you plenty of warning when the end of life for the BenQ 5J.J0405.001 is approaching. On the projector itself, you’ll notice the Lamp Indicator will light red. The following warning messages will also appear on screen:
BenQ MP776 first lamp warning, BenQ 5J.J0405.001 lamp
First warning: The BenQ 5J.J0405.001 lamp has been in operation equivalent to 2500 hours. Install a new lamp for optimal performance. If the BenQ MP776 projector is running in Econo Mode, you have up to 2950 hours before changing the lamp.
BenQ MP776 second lamp warning, BenQ 5J.J0405.001
Second Warning: The BenQ 5J.J0405.001 lamp has been in operation equivalent to 2950 hours. You should replace the lamp immediately.
BenQ MP776 final lamp warning, BenQ 5J.J0405.001
Third Warning: The BenQ 5J.J0405.001 lamp is approaching it’s end of life and has been in operation equivalent to 3000 hours. Change the BenQ 5J.J0405.001  lamp immediately to avoid having the projector shut down.
BenQ MP776 final lamp warning, BenQ 5J.J0405.001
Final Warning: The BenQ MP776 projector has shut down and the BenQ 5J.J0405.001 lamp MUST be replaced before the projector will operate normally.

Replacing the BenQ 5J.J0405.001 projector lamp

IMPORTANT NOTE: The BenQ MP776 projector operates at an extremely high temperature. Let the projector cool for a least 45 minutes before replacing the BenQ 5J.J0405.001 projector lamp. The projector should be cool to the touch. Don’t rush it or you may end up with a nasty burn.
BenQ MP776 cover screws, BenQ 5J.J0405.001
1. Turn the power off and disconnect the BenQ MP776 projector from all power sources.
2. Loosen both screws found on either side of the BenQ MP776 projector.
BenQ MP776 cover off, BenQ 5J.J0405.0013. Remove the lamp cover from the BenQ MP776 projector.
4. Remove and dispose of the protective film covering the BenQ 5J.J0405.001 lamp.
BenQ MP776 lamp removal, BenQ 5J.J0405.0015. Press the connector on the side to loosen the BenQ 5J.J0405.001  lamp.
6. Loosen the screw holding the lamp in place.
BenQ MP776 lamp out, BenQ 5J.J0405.0017. Lift the handle so that it stands up. Using the handle, slowly pull the BenQ 5J.J0405.001 lamp out of the BenQ MP776 projector. Pulling out too quickly may cause the bulb to break.  If this happens go to: What to do when your projector lamp explodes.
NOTE: The BenQ 5J.J0405.001 lamp contains mercury and should not be thrown into regular garbage. Recycle your used lamps!  If you bought from an authentic manufacturer they will recycle the lamp for you at no extra cost (another reason to buy authentic lamps).
BenQ MP776, BenQ 5J.J0405.001 lamp installation8. Lower the new BenQ 5J.J0405.001 lamp first into the connector on the projector. Reconnect the lamp connector.
9. Tighten the screw that secures the BenQ 5J.J0405.001 lamp. NOTE: Loose screw may cause a bad connection, which could result in malfunction.
10. Ensure the handle is fully laid flat and locked in place.
11. Replace the new protection film that comes with the new BenQ 5J.J0405.001 lamp.
BenQ MP776 lamp cover BenQ 5J.J0405.001
12. Replace the lamp cover on the  BenQ MP776 projector.
13. Tighten the side screws on the  BenQ MP776 lamp cover.
14. Turn the  BenQ MP776 projector on.
15. Reset the Lamp Timer.

Resetting the Lamp Setting Menu

It’s important to reset the Lamps Settings menu in order for your  BenQ MP776 projector to accurately track the life of your newly installed BenQ 5J.J0405.001 lamp. Failure to properly set the lamp can result in the projector stopping suddenly.
1. After startup logo, open the On-Screen Display (OSD) menu.
2. Go to the SYSTEM SETUP: Advanced > Lamp Settings menu.
3. Press ENTER to display the Lamp Settings page.
4. Choose Reset Lamp Timer to display the message: Reset Lamp Timer?
5. Click reset. The lamp time is now set to ’0′ and the projector will begin tracking the lamp life of the newly installed.
NOTE: Only reset this option in a new lamp as been installed other you can damage your projector.

Prolong BenQ 5J.J0405.001 lamp life:

  • Keep your air filters clean to avoid overheating the projector.
  • Use the Econo mode on the BenQ MP776 projector and set to Economic Mode to reduce the amount of power used but extend lamp life.
  • Learn more with Top tips for extending DLP projector lamp life.

BenQ-5J.J0405_bulb_replacementEconomic alternative

If you’re interested in saving some money and recycling why not think about replacing just the bulb instead of the entire lamp cage? By only replacing the BenQ 5J.J0405.001 bulb and re-using the actual lamp cage. It’s not as hard as it sounds and we have even created a video tutorial to show you how.


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