The owner’s manual that came with MEC Origami bikes purchased since January 18, 2010 contained incorrect information. The instructions for adjusting the handlepost don’t match the bikes sold by MEC.
To get the right info, download the pdf with the correct section of the owner’s manual that explains how to properly adjust an Origami handlepost:
For safety, we encourage members to inspect the hinges and joints on their Origami bike before every ride. Each hinge and joint should be snapped shut and secured with the knob (where one is provided).