Red glow coming from superdrive

this may be a stupid question but here goes. i have looked through the forums, and googled this and have yet to find any mention of whether or not it's ok for there to be a red light (glow) coming from my superdrive when i'm burning. does this indicate a problem, or is this normal? i know about the red light coming from the headphone jack, and how that was a semi-issue, so i figured this might be a problem as well.

The optical drive uses a 650 nm laser to burn discs - that laser is red in color (deep red, actually) and you are seeing reflected light from it. Normally, a set of felt pads block the opening of the superdrive and prevent light from escaping - these pads may be worn/damaged on your drive.

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