You should be able to check your banking details or edit them just by logging out of the website completely & then logging back in with the right hand "performer login" panel and immediately going to the "settings" page, here.

If you have any issues with this method or have questions, just send a message to @JFFModelSupport on Twitter and let us know you want to update your bank info! 

Please include your profile URL in your messages to expedite your request.