Mystery printer in firefox under Ubuntu 14.04.5

[Brian]

On Thu 16 Mar 2017 at 17:32:37 -0400, Robert Heller wrote:

> At Thu, 16 Mar 2017 18:21:26 +0000 "Ubuntu user technical support,  not for general discussions" <ubuntu-users at lists.ubuntu.com> wrote:
> 
> > cups-browsed browses Bonjour broadcasts of remote print queues and
> > printers and sets up local queues for them. cupsd sees these queues and
> > displays them in an app's print dialog. Stopping or uninstalling
> > cups-browsed means remote print queues or printers will not be visible
> > in dialogs **via the agency of cupsd**.
> > 
> > However, the GTK printing subsystem is capable of browsing Bonjour
> > broadcasts all by itself, without the need for cupsd. This is what you
> > are observing when you see the extra print queue. Examining the output
> > of
> > 
> >  avahi-browse -art | less
> > 
> > should show the culprit. Does it?
> 
> Yes.  How do I stop it?

Stop avahi-daemon on the Centos server or on a workstation.

What did avahi-browse tell you about the culprit? You could post that
snippet from the output.

-- 
Brian.