I don't believe it's a driver issue at this point, more a bug maybe with the latest version of Lightroom and the plug-in itself? For the other people having this issue, what version of Lightroom are you using? This is what I get from Help -> System ...
Created an account on here just to say I'm having the same issue. I've tried everything I can think of. Updated software, updated drivers, removed software, reinstalled software. Rebooted Mac and Printer. Deleted printer from Mac and added back. Fre...