Make certain you have read the 3M X40 MMPROJ 1200LUMEN XGA 6.6.LB manual thoroughly before attempting the 3M X40 MMPROJ 1200LUMEN XGA 6.6.LB bulb replacement on your 3M X40 MMPROJ 1200LUMEN XGA 6.6.LB. Without touching the surface of the 3M X40 MMPROJ 1200LUMEN XGA 6.6.LB 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 3M X40 MMPROJ 1200LUMEN XGA 6.6.LB replacement parts. Your bulb should be sitting just beyond the opening of the 3M X40 MMPROJ 1200LUMEN XGA 6.6.LB body. Reach in with two fingers and disconnect the 3M X40 MMPROJ 1200LUMEN XGA 6.6.LB bulb. Reverse these steps to re-assemble your 3M X40 MMPROJ 1200LUMEN XGA 6.6.LB. This concludes the 3M X40 MMPROJ 1200LUMEN XGA 6.6.LB review - be sure to read the entire 3M X40 MMPROJ 1200LUMEN XGA 6.6.LB manual.