R5906112-06 UDX series12011.1 Cleaning the lensTo minimize the possibility of damage to optical coatings, or scratches to lens surfaces follow thecleaning procedure as described here precisely.Required tools• Compressed air.• Clean Toraysee® cloth or any micro fiber lens cleaning cloth.• Clean cotton cloth.Required partsLens cleaner (e.g. Carl Zeiss lens cleaner or Purasol® or any water-based lens cleaner)How to clean the lens?1. Blow off dust with clean compressed air (or pressurized air cans4) .2. Clean with lens cleaner together with a clean lens cleaning cloth to remove the dust and contamination. Usebig wipes in one single direction.Warning: Do not wipe back and forwards across the lens surface as this tends to grind dirt into thecoating.3. Use a dry lens cleaning cloth to remove left liquid or stripes. Polish with small circles.4. If there are still fingerprints on the surface, wipe them off with lens cleaner together with a clean lens cleaningcloth. Polish again with a dry one.If smears occur when cleaning lenses, replace the cloth. Smears are the first indication of a dirtycloth.11.2 Cleaning the exterior of the projectorHow to clean the exterior of the projector ?1. Switch off the projector and unplug the projector from the mains power net.2. Clean the housing of the projector with a damp cloth. Stubborn stains may be removed with a cloth lightlydampened with a mild detergent solution.Maintenance4: Pressurized air cans are not efficient if there is too much dust on the surface, the pressure is too low
