Make certain you have read the Optoma Technology OPTOMA HOME THEATER PROJECTOR manual thoroughly before attempting the Optoma Technology OPTOMA HOME THEATER PROJECTOR bulb replacement on your Optoma Technology OPTOMA HOME THEATER PROJECTOR. Without touching the surface of the Optoma Technology OPTOMA HOME THEATER PROJECTOR lens, remove the lens tube and set it aside. Write down the number from inside the tube's inner lip for the purpose of make, model or serial number for any future need to buy Optoma Technology OPTOMA HOME THEATER PROJECTOR replacement parts. Your bulb should be sitting just beyond the opening of the Optoma Technology OPTOMA HOME THEATER PROJECTOR body. Reach in with two fingers and disconnect the Optoma Technology OPTOMA HOME THEATER PROJECTOR bulb. Reverse these steps to re-assemble your Optoma Technology OPTOMA HOME THEATER PROJECTOR. This concludes the Optoma Technology OPTOMA HOME THEATER PROJECTOR review - be sure to read the entire Optoma Technology OPTOMA HOME THEATER PROJECTOR manual.