By default, the origin address is pulled from the “Shipping” sections in your FlavorCloud account settings. When you setup your FlavorCloud account, the shipping location defaults to the account address.
If you want to change the origin shipping location, you have two options: You either can import warehouse location(s) from Shopify by clicking on the “Import from Shopify” button in the “Shipping” section (in app version 1.0) or the "Location" section (in app version 2.0) or you can enter your own warehouse location by selecting "add location" (in app 1.0) or "add address" (in app 2.0).
In app version 1.0 it will look like this:
In app version 2.0 it will look like this: