Mystery printer in firefox under Ubuntu 14.04.5

[Brian]

On Fri 17 Mar 2017 at 08:20:19 -0400, Robert Heller wrote:

> At Fri, 17 Mar 2017 08:22:01 +0000 "Ubuntu user technical support,  not for general discussions" <ubuntu-users at lists.ubuntu.com> wrote:
> 
> > 
> > On Thu 16 Mar 2017 at 21:36:19 -0400, Robert Heller wrote:
> > 
> > > At Thu, 16 Mar 2017 23:38:17 +0000 "Ubuntu user technical support,  not for general discussions" <ubuntu-users at lists.ubuntu.com> wrote:
> > > 
> > > > 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.
> > > 
> > > Well, the Centos's avahi-daemon is not reporting the printer, but the 
> > > avahi-daemon on Ubuntu server (and the Ubuntu workstations are).  If the avahi 
> > > daemon is not running, will that cause other problems?
> > 
> > Dunno. You'll lose mDNS/DNS-SD resolution on the network. 'apt-cache
> > rdepends avahi-daemon' might help you decide.
> 
> Well I stopped avahi-daemon on the CentOS machine.  The CentOS machine is 
> itself running BIND (it is the local DNS server) and does not use apt.  I 
> stopped avahi-daemon on the CentOS machine.  The Ubuntu server is no longer 
> reporting the HP printer in lpinfo.  Hopefully the workstations will stop 
> reporting it too.  I don't run apt on the workstations -- they get updated 
> when the Ubuntu server gets updated (their root and /usr file systems are 
> shared off the Ubuntu server).
> 
> > 
> > You could rejig the setup and use cups-browsed on the workstations, of
> > course, and activate AirPrint on the colour printer. Any i-device users
> > might thank you for this.
> 
> We really don't want i-device users sending lots of random stuff to the color
> printer.

Understandable.

If all the printing from a workstation is done from GTK apps (no command
line printing; no QT apps ; no libreoffice) you could stop (or remove)
cups and rely on Bonjour broadcasts.

Or there is this;

https://launchpad.net/~roman-shipovskij/+archive/ubuntu/gtk+3.0-withoutavahiprinters

-- 
Brian.