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