Introduction
This guide disassembles the capture button, so the device can be checked for a broken spring or for debris blocking its movement.
Tools
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            The button will spring free. The capture device consists of the plastic button and a small metal spring. 
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            The button can be reassembled by using the tweezers to place the spring rectangle-side down on the button and snapping the button back into place. 
 
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                            Conclusion
                          
                          Reassemble the casing by reversing steps 1 and 2.