Chapter 6 Maintenance — Maintenance158 - ENGLISHMaintenanceBefore maintaining the projectorf Make sure to turn off the power before performing the maintenance of the projector. (x pages 40, 49)f When switching off the projector, make sure to follow the procedures in “Switching off the projector”(x page 49).MaintenanceOuter caseWipe off dirt and dust with a soft, dry cloth.f If the dirt is persistent, soak the cloth with water and wring it thoroughly before wiping. Dry off the projector witha dry cloth.f Do not use benzene, thinner, or rubbing alcohol, other solvents, or household cleaners. Doing so maydeteriorate the outer case.f When using chemically treated dust cloths, follow the instructions written on its packaging.Lens front surfaceWipe off dirt and dust from the front surface of the lens with a soft clean cloth.f Do not use a cloth that is fluffy, dusty, or soaked with oil/water.f Since the lens is fragile, do not use excessive force when wiping the lens.Attentionf The lens is made of glass. Impacts or excessive force when wiping may scratch its surface. Handle with care.Notef Dust may accumulate around the air intake/exhaust port depending on the environment and operating condition when used in anenvironment with excessive dust. This may adversely affect the ventilation, cooling, and heat dissipation inside the projector, thus causingreduced brightness.
