On Tue, May 25, 2021 at 01:27:03AM +0200, Kevin Kofler via devel wrote:
> All this is of no use if the printer does not actually implement that
> though.
Of course. That's where this whole "printer application" thingey comes in.
> I do not see how that is the common use case. Why would I want to print from
> my telephone? I do not even normally print from my notebook!
I don't think it's controversial to say that one needs to print from
whatever computing devices one uses.
> Well, if I want to configure the printer, I need to know what to point my
> browser at. But sure, if a dialog gives me a link, that is a way. Though it
> means yet another layer of indirection (bringing up the dialog first, only
> to get redirected to a web interface).
Running 'ippfind' will show you the list of all IPP-capable printers
that are advertising themselves through mDNS, and the URI they can be
reached at.
> My desktop and my notebook, i.e., the devices I actually SSH to at times
> (from each other, usually), do have hardcoded IPs, yes. (And I also use X11
> forwarding when I SSH, so Wayland is a non-starter.)
X11 forwarding through SSH while running Wayland seems to work just fine
for me. *shrug*
> More often than not, the "PDF-based print flow" just means that something
> client-side converts the PostScript to PDF before sending it to the shiny
> new "PDF-based print flow", only to have something in the driver filters
> convert the PDF back to PostScript before doing anything else.
This hasn't been the case since Fedora 19 (Spring 2013), which, as part
of CUPS 1.6, switched to a PDF-native flow. Postscript is only used on
the edges, ie if the printer requires it or the application supplies it.
pdftopdf transforms proved to be a lot more robust than pstops due to
PDF's semantics being far better defined.
(Incidently, Fedora 19 is also when the switch to using mDNS for printer
discovery happened..)
- Solomon
--
Solomon Peachy pizza at shaftnet dot org (email&xmpp)
@pizza:shaftnet dot org (matrix)
High Springs, FL speachy (freenode)
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