If you do not see the small black plastic piece between these two clear flaps, it may be stuck inside the scanner. Please try using a paper clip or utility screwdriver to gently poke in the hole between these flaps to try to free the piece.
If you do not see the small black plastic piece between these two clear flaps, it may be stuck inside the scanner. Please try using a paper clip or utility screwdriver to gently poke in the hole between these flaps to try to free the piece.