Originally Posted by Neelly
when I try to send any I get a message telling me there are no supported formats available and I must convert them before I can send them. I would add most are Epub with afew PDFs.
If you are sure the books are there then it would seem that you have unselected these formats as viable for your reader in its plugin.
Go to Preferences - Plugins - Device interface plugin - Sony - customize. Ensure epub and pdf are checked (see attached).