How to install a replacement Dell 3400MP projector lamp

Written by
  • Shelagh M.
  • 9 years ago

Dell_3400MP_projector_Dell310-6747_projector_lampThis guide shows you the best way to replace the Dell 3400MP projector lamp.

Go authentic

The Dell 3400MP projector needs an OEM Dell 310-6747 projector lamp to keep working at its  best. Avoid Dell 3400MP projector lamp counterfeits  for the following reasons:

Find this lamp on Amazon sold by these authorized dealers:

End of projector lamp warnings

When the lamp light on the Dell 3400MP blinks amber, it’s time to replace the projector lamp. The message “Lamp is approaching the end of its useful life in full power operation. Replacement suggested!” will also appear on screen.
Don’t wait too long to change the lamp. Pushing it too far can result in the lamp making a loud popping noise before burning out. When the message “Lamp Defective” is on screen the Dell 3400MP projector will not turn on.

Replacing the Dell 3400MP projector lamp

Before replacing the Dell 310-6747 projector lamp be sure to turn the projector off and disconnect from the AC plug. Let the projector cool down for at least 30 minutes. It should be cool to the touch. Don’t attempt to change the lamp when the projector is still hot as there is a good chance you can get severely burned.

  • Place the Dell 3400MP on a soft surface and turn in upside down to access the projector lamp cover. Loose the two screws that hold the projector lamp cover in place.
  • Loosen the two screws that secure the projector lamp.
  • Pull the projector lamp up by its metal handle. Pulling too quickly can cause the bulb to shatter. NOTE: Don’t throw the Dell 310-6747 projector lamp into regular garbage! Since it contains mercury, this lamp must be properly recycled.
  • Install the new Dell 310-6747 projector lamp making sure it is properly aligned into the projector.
  • Tighten the two screws that secure the Dell 310-6747 projector lamp.
  • Replace the projector lamp cover and tighten the two screws.
  • You are now ready to reset the lamp timer.

Reset the Dell 3400MP projector lamp counter

The Dell 3400MP projector tracks the life of the Dell 310-6747 projector lamp and will trigger the warning signals when it’s time to replace. Each time you replace the Dell 310-6747 projector lamp you must reset the lamp timer to zero. Failure to do so can result in using the projector past its recommended lifespan.

 Dell_3400MP_projector_Dell_310-67 47_projector_reset_lamp_timer

  • To access the Main Menu press the left or right buttons on your projector’s control panel or remote control.
  • Scroll over the the LAMP Menu. Press ENTER to access.
  • Scroll down to the Lamp Reset icon. Press ENTER.
  • Scroll down to choose YES and press ENTER to reset the projector lamp timer.


Tips for extending Dell 3400MP projector lamp life:

  • From the LAMP Menu, choose ECO MODE: Select On to use the projector at the lower power level of 165 Watts, which makes the Dell 3400MP projector operate quieter and with lower light that gives more projector lamp life. Select off to operate at the 200 Watts power level.
  • Keep your air filters clean to avoid overheating the projector.
  • Every 24 hours, turn off the projector and let it stand for 1 hour
  • Make sure there is enough airflow around the Dell 3400MP projector particularly if it’s been permanently mounted.
  • Learn more with Top tips for extending DLP projector lamp life.


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