Make certain you have read the Proxima DP8400X Data/Video Projector 3500 Lumens XGA Resolution manual thoroughly before attempting the Proxima DP8400X Data/Video Projector 3500 Lumens XGA Resolution bulb replacement on your Proxima DP8400X Data/Video Projector 3500 Lumens XGA Resolution. Without touching the surface of the Proxima DP8400X Data/Video Projector 3500 Lumens XGA Resolution 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 Proxima DP8400X Data/Video Projector 3500 Lumens XGA Resolution replacement parts. Your bulb should be sitting just beyond the opening of the Proxima DP8400X Data/Video Projector 3500 Lumens XGA Resolution body. Reach in with two fingers and disconnect the Proxima DP8400X Data/Video Projector 3500 Lumens XGA Resolution bulb. Reverse these steps to re-assemble your Proxima DP8400X Data/Video Projector 3500 Lumens XGA Resolution. This concludes the Proxima DP8400X Data/Video Projector 3500 Lumens XGA Resolution review - be sure to read the entire Proxima DP8400X Data/Video Projector 3500 Lumens XGA Resolution manual.