Re: Printer drivers and raw queues are deprecated

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On Tue, 2023-10-31 at 16:23 -0400, Neal Becker wrote:
> On Tue, Oct 31, 2023 at 2:53 PM Ian Pilcher <arequipeno@xxxxxxxxx>
> wrote:
> 
> > On 10/31/23 11:10, Patrick O'Callaghan wrote:
> > > The theory is that you shouldn't have to do anything except
> > > configure
> > > the printer (in CUPS) to use DNSSD. That in turn depends on Avahi
> > > working correctly. Try 'sudo avahi-browse -a -t' to make sure the
> > > printer is visible.
> > 
> > I just set up an Epson EcoTank inkjet printer.  Theoretically, it
> > supports IPP Everywhere, AirPrint, and driverless printing, but it
> > only
> > accepts ESC/P-R datastreams, so color me skeptical about the
> > wonderful
> > driverless future.
> > 
> Driverless sounds like a nice concept, but doesn't seem to work for
> me.  I
> deleted the proprietary printer driver for my brother laser hl-
> l2395dw,
> then on KDE try adding a printer.  It does detect the printer in the
> "discovered printers" section I see a hll2395dw "driverless" option. 
> But
> if I choose that, I'm prompted to fill in an ip address and some
> other info
> (port?).  So I don't think this is actually working.  Choosing
> instead
> Brother's proprietary driver works and connects via dnssd without
> asking me
> for other info.

See my earlier remark about Avahi. If Avahi is working, it shouldn't be
necessary for you to specify an IP address, but I've found that very
occasionally I need to give it a kick after a reboot or software
update, using the 'avahi-browse' command noted previously. Here's a
screenshot of the Add Printer dialogue in KDE/Plasma. The selected line
is the one that uses Avahi.

https://drive.google.com/file/d/1e3A7X3PputDQwFR6F77eVdXvt74Qy0of/view?usp=sharing

poc
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