OT: HP drivers

[Brian]

On Wed 14 Sep 2022 at 16:19:53 -0700, MR ZenWiz wrote:

> On Wed, Sep 14, 2022 at 3:34 PM Brian <claremont102 at gmail.com> wrote:
> >
> :
> >
> > Try the command again after disconnecting and reconnecting to USB.
> 
> $ sudo scanimage -L
> Created directory: /var/lib/snmp/cert_indexes
> device `hpaio:/usb/OfficeJet_4650_series?serial=TH7B64F03Z0662' is a
> Hewlett-Packard OfficeJet_4650_series all-in-one
> $

Still no other expected listings. Disturbing.
 
> > Also
> >
> >   Systemctl status ipp-usb
> >
> > should show the service as loaded and active.
> >
> ### "ssc" is my alias for "sudo systemctl"
> $ ssc status ipp-usb
> ● ipp-usb.service - Daemon for IPP over USB printer support
>      Loaded: loaded (/lib/systemd/system/ipp-usb.service; static)
>      Active: active (running) since Wed 2022-09-14 16:05:04 PDT; 2min 21s ago
>        Docs: man:ipp-usb(8)
>    Main PID: 957159 (ipp-usb)
>       Tasks: 13 (limit: 38311)
>      Memory: 7.0M
>         CPU: 142ms
>      CGroup: /system.slice/ipp-usb.service
>              └─957159 /sbin/ipp-usb udev
> 
> Sep 14 16:05:04 marbase systemd[1]: Started Daemon for IPP over USB printer sup>
> $

ipp-usb is acive and doing its job. hpaio is correctly listed.

> > Firewall? Port 5353 filtered?
> >
> I don't see anything like this, but I rarely do much with the
> firewall. I have ufw installed, but it is inactive. Essentially,
> nothing is filtered

How about

  iptables --table filter --list | grep mdns ?

Please give

  avahi-browse -rt _ipp._tcp
  avahi-browse -rt _uscan._tcp

-- 
Brian.