On Fri 01 Mar 2019 at 12:21:05 +0000, Brian wrote:
On Fri 01 Mar 2019 at 12:09:16 +0000, mick crane wrote:
> On 2019-03-01 11:49, Brian wrote:
>
> > > on client PC
> > > $ lpstat -t
> > > scheduler is running
> > > system default destination: HP_LaserJet_4000_Series
> > > device for HP_LaserJet_4000_Series: socket://10.0.0.108
> >
> > This is not a connection to the server. socket://... indicates a direct
> > connection to the printer.
>
> with CUPS server network cable plugged in
> "enscript file"
> prints
> with CUPS server network cable unplugged
> "enscript file"
> hangs, does not print
Communication with a remote CUPS server is with IPP over port 631.
socket://... is over port 9100.
Just to be clear: cupsd doesn't listen on port 9100.