Replace the Optoma DS305R projector lamp

Written by
  • Shelagh M.
  • 11 years ago

Optoma_DS305R_projector_lamp_BL-FU180AFollow this step-by-step guide to install a new Optoma DS305R projector lamp.

Buy the right lamp!

Be ready to replace the Optoma DS305R projector lamp by purchasing an authentic lamp with the seal of approval. Scroll down to learn why your should avoid generic lamps?

Buy this lamp on Amazon sold by these authorized dealers:

Know when to replace

When the Optoma DS305R projector lamp is approaching it’s end of life, the replacement warning will appear on screen:
Optoma_DS305R_replace_lamp_warning_optoma_BL-FU180A_lampYou may also start to see the following signs:

  • A screen that is gradually dimming or deteriorating.
  • Colour in the image appears dark or off colour.
  • Lamp light flashing a steady orange.

Replace the lamp immediately. If you leave the lamp too long it may explode inside the projector. Learn how to properly clean up a broken lamp.

Replace the Optoma BL-FU180A

Follow these important safety steps before installing a new Optoma BL-FU180A:

  • These lamps contains mercury and should be properly recycled. Don’t throw it into regular garbage.
  • Switch off the power to the Optoma DS305R projector by pressing the Power/Standby button.
  • Disconnect the power cord.
  • Allow the projector to cool down for at least 30 minutes. so it is cool to the touch. Trying to change the lamp while the projectors is not cooled down can result in serious burns as these projectors operate using high heat.

Place something soft underneath the Optoma DS305R before turning the projector onto it’s back. Remove the two screws holding the cover in place. Push the cover up to remove it.
Remove the two screws holding the Optoma BL-FU180A  lamp module in place.
Lift up the wire handle and slowly put out the old lamp. Be careful not to bang the lamp against the projector as this may case the bulb to break.
NOTE: The Optoma BL-FU180A  contains mercury and should not properly recycled.

Remove the Optoma BL-FU180A from its packaging and using the wire handle, place it into the Optoma DS305R projector. Tighten the two screws on the lamp. Replace the lamp cover and tighten its two screws.
You must now reset the Lamp Replacement Timer.

Reset the lamp timing on the Optoma DS305R

In order to track the lamp life, the Optoma DS305R projector has an automatic lamp timer that triggers the lamp replacement warning. You need to reset the timer each time the lamp is replaced.


  • Press the Menu option on either the remote or on the projector.
  • Scroll over the Lamp Setting. Press Enter.
  • Select Reset Lamp Hours. Press Yes
  • The lamp hours is reset to zero.
  • You can also used this screen to set ECO mode and turn off the lamp reminder message (not recommended to do).

Tips for a Optoma BL-FU180A longer life:

  • Turning on the Eco Mode to lower power consumption and extend the lamp life by 130%.
  • Keep your air filters clean to avoid overheating the projector.
  • Turn off the Optoma DS305R projector and let it stand for at least one hour ever 24 hours.
  • Make sure there is enough airflow around the projector particularly if it’s been permanently mounted.
  • Top tips for extending DLP projector lamp life

 Why avoid copy-cat projector lamps?

Generic lamps have six main problems:

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