[avahi] Advertising a network printer for use with Airprint

[Eric Wing]

On 11/18/12, dclist <dclist at gmail.com> wrote:
> I am trying to add Airplay-compatible zeroconf advertising for a HP
> Laserjet 2300 which is connected directly to the network. In particular I
> am not using CUPS.
>
> I am able to see the service with avahi-browse -a but iOS does not seem to
> find it. What am I doing wrong?
>


It's been a couple years since I messed with this, but I think you
need a "universal" subtype.

This is a snippet from my configuration. Devices can see my printer.
Unfortunately, my printer doesn't actually support it and print
attempts fail. Looks like PDF is required and Postscript is not
sufficient.

    <service protocol="ipv4">
        <type>_ipp._tcp</type>
        <subtype>_universal._sub._ipp._tcp</subtype>
        <port>631</port>
        <host-name>Lexmark.local</host-name>
        <txt-record>product=(Lexmark Optra S 1625 Laser Printer)
pdl=application/postscript,application/vnd.hp-PCLXL Color=
F Collate=T Staple=F</txt-record>
        <txt-record>URF=none</txt-record>
    </service>


-Eric
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