@josphlee: You need to enable Private Messaging. This is in the "Edit Options" of the control panel. If this isn't there, it has to be added somehow. You can try posting in
https://www.mobileread.com/forums/sh...d.php?t=319819 to ask it to be enabled, or contact a moderator.
And, I try to keep the requests for images in dedicated threads. There is one for each Kobo model that we have images for,