Home Support Projectors BrightLink Series Epson BrightLink 475Wi

How and when should I clean the obstacle sensor?

  • Clean the projector's obstacle sensor glass periodically, or if you see a message telling you to remove any obstacles that are interfering with the projection area.
    • To remove dust or smudges, gently wipe the obstacle sensor glass with lens-cleaning paper.
    • To remove stubborn smudges, moisten a soft, lint-free cloth with lens cleaner and gently wipe the obstacle sensor glass. Do not spray any liquid directly on the obstacle sensor glass.
    Warning: Do not use a lens cleaner that contains flammable gas. The high heat generated by the projector lamp may cause a fire.

    Caution: Do not use canned air, or the gases may leave a residue.

    Related references
    Cleaning the Obstacle Sensor
Published:  Apr 30, 2012 Was this helpful​? Thank you for the feedback!
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