Make certain you have read the Epson PowerLite 7850P 3500 ANSI Lumen Wireless 802.11b Native XGA manual thoroughly before attempting the Epson PowerLite 7850P 3500 ANSI Lumen Wireless 802.11b Native XGA bulb replacement on your Epson PowerLite 7850P 3500 ANSI Lumen Wireless 802.11b Native XGA. Without touching the surface of the Epson PowerLite 7850P 3500 ANSI Lumen Wireless 802.11b Native XGA 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 Epson PowerLite 7850P 3500 ANSI Lumen Wireless 802.11b Native XGA replacement parts. Your bulb should be sitting just beyond the opening of the Epson PowerLite 7850P 3500 ANSI Lumen Wireless 802.11b Native XGA body. Reach in with two fingers and disconnect the Epson PowerLite 7850P 3500 ANSI Lumen Wireless 802.11b Native XGA bulb. Reverse these steps to re-assemble your Epson PowerLite 7850P 3500 ANSI Lumen Wireless 802.11b Native XGA. This concludes the Epson PowerLite 7850P 3500 ANSI Lumen Wireless 802.11b Native XGA review - be sure to read the entire Epson PowerLite 7850P 3500 ANSI Lumen Wireless 802.11b Native XGA manual.