Remove 9 Torx T7 screws from the ring of the cup

When reinstalling any plastic screw, insert the screw in the hole and rotate backwards (unscrew direction) with slight downward pressure until you feel a click - that locates the original thread and prevents stripping. Begin screwing it back in where you feel the click.

Separate the two halves of the cup, revealing the skin mounting

Fold back the skin, revealing the ear cup foam and (if fixing the Deep Sleep issue) the broken wire leading to the capacitive ring