I spoke with Marantz about lense cleaner discs. They recommended against it. Instead use the air in a can used to clean electrical stuff. You can open the CD tray door and shoot it in that way.
Auric Illuminator through Audio Advisor uses a lint free cloth which I like. Just make sure you wipe radially outward from in to out. Do not wipe in circles!
Auric Illuminator through Audio Advisor uses a lint free cloth which I like. Just make sure you wipe radially outward from in to out. Do not wipe in circles!