Make certain you have read the Optoma Technology HD7300 720p Native DLP Multimedia Projector manual thoroughly before attempting the Optoma Technology HD7300 720p Native DLP Multimedia Projector bulb replacement on your Optoma Technology HD7300 720p Native DLP Multimedia Projector. Without touching the surface of the Optoma Technology HD7300 720p Native DLP Multimedia 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 HD7300 720p Native DLP Multimedia Projector replacement parts. Your bulb should be sitting just beyond the opening of the Optoma Technology HD7300 720p Native DLP Multimedia Projector body. Reach in with two fingers and disconnect the Optoma Technology HD7300 720p Native DLP Multimedia Projector bulb. Reverse these steps to re-assemble your Optoma Technology HD7300 720p Native DLP Multimedia Projector. This concludes the Optoma Technology HD7300 720p Native DLP Multimedia Projector review - be sure to read the entire Optoma Technology HD7300 720p Native DLP Multimedia Projector manual.