This article will quickly show you how to properly package the LP-2003 PC.
The arrow on picture 1 should align with the curve on the LP-2003 PC. The polystyrene will be fitted on top and bottom of the PC an example of how the polystyrene should be on the PC is down below.
Now you need to make sure that the PC is put into the box correctly so it is as secure as possible otherwise it can cause issues because it will be loose in certain places. Note that the head of the PC should go into the box first. You can see this in the image below. Then you get the box of accessories and place them on top on the PC. This can also be seen in the image below. Now it should be ready to close.