I've got 5 printers I'd like to be able to send files to. I am able to connect via the "Locations" tab in settings. Two of the IP addresses are working with no issue, but 3 of them are not.

What would cause me to test the connection successfully, but have it fail when I put it through a workflow?

I should note that this behavior is the same across two different servers. (A development server and a production server, with two different IP addresses)