Install a replacement Vivitek D825MX projector lamp

Written by
  • Shelagh M.
  • 9 years ago

Vivitek_ D825MX_projector_Vivitek_1000055-A_5811100760S_projector_lampThis tutorial shows you how to change your Vivitek D825MX projector lamp.

Warning signs

When you notice the Power LED flashing 5 times consecutively, your Vivitek D825MX projector lamp is reaching its end of life and needs to be replaced immediately.
Be sure the purchase an authentic Vivitek 1000055-A projector lamp for your Vivitek D825MXprojector. Although they like a bargain, avoid knock-off “compatible” lamps. You get what you pay for and in the case of generic lamps it’s usually a long list of problems:

Save yourself unnecessary headaches and buy an authentic projector lamp from a recognized dealer. You’ll be getting a far superior product with a replacement guarantee and tech support.

Find this lamp on Amazon from these authorized dealers:

Replacing the 1000055-A projector lamp

Before changing the projector lamp:

  • Reduce the risk of electrical shock by disconnecting the power cord on the Vivitek D825MX projector.
  • Reduce the risk of severe burns by allowing the projector to cool for at least 45 minutes.


  • Remove the two captive screws holding the lamp cover place.
  • Remove the lamp cover and place it to one side.
  • Remove the tw0 screws holding the Vivitek 1000055-A projector lamp in place.


NOTE: The Vivitek 1000055-A  projector 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.
Vivitek_D825MX_projector_1000055_install_new_projector_lampTo finish the installation:

  • Take the new Vivitek 1000055-A  projector lamp out of its packaging. Lift up the wire handle and gently guide it into the Vivitek D825MXprojector.
  • Take care not to touch the actual bulb as the oil from your fingers can leave a smudge that will burn into a black spot when the projector heats up.
  • Tighten the lamp screw.
  • Re-install the Vivitek D825MX projector lamp cover and tighten the screw.
  • Reset the total lamp hour timer.

Resetting the Vivitek D825MS Lamp Hour Timer

It’s important to only reset the lamp timer when the Vivitek 1000055-A  projector lamp has been replaced.
Resetting the projector lamp timer without changing the lamp can make it work beyond its recommended hours and cause harm to your Vivitek D825MX projector.

  • Press the Menu button to open the OSD menu.
  • Press left/right arrow keys to move to the Installation II menu.
  • Press up/down arrows to move to the Advanced menu
  • Press Enter.
  • Using the or up/down arrow keys to move down to the Advanced menu.
  • Press the cursor up/down arrows button to Lamp Hour Reset.
  • Press Enter.
  • A message will appear saying the Lamp Hour has been reset to zero.
  • Press the Menu button to return to the main Installation II menu.


Extending the life of the Vivitek 1000055-A projector lamp:

  • Keep your air filters clean to avoid overheating the projector.
  • Use the Lamp Power option on the Vivitek D825MX projector and set to Eco Mode to reduce the amount of power used but extend projector lamp life.
  • Learn more with Top tips for extending DLP projector lamp life.


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