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Re: Question re postscript and pdf

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On 2026-09-11 14:09, Stephen Harris wrote:
> Carlos E.R. <robin_listas@es.invalid> wrote:
>> Printers talked postscript. Now I hear they talk PDF. I know that it is
>> trivial to convert from ps to pdf. Do programs that want to print
>> generate the PDF directly, or do they generate the ps and then convert
>> it to pdf?
> 
> Neither.  Programs shouldn't care what format the printer can handle.
> That's up to the cups printer driver, to take in what the program
> generates and convert it to what the printer can deal with.

AFAIK programs submit ps or pdf to cups.

Years ago, LO sent ps; so sait the pinter properties dialog. Now it 
sends PDF, and when I notice I click so that it sends ps instead, 
because my current printer does not talk pdf and it would be one extra 
useless conversion.

> 
> But I suspect any printer that can handle PDF can also handle postscript
> (and plain text and probably PCL) so it's not "PDF or PS" but "PDF and
> PS".
> 
> Heh, the HP LJ MFP-4301fdw claims "HP PCL 6, HP PCL 5e, HP PCL 5c, HP
> Postscript level 3 emulation, PDF, URF, PWG Raster, Native Office"
> 
>> It also occurs to me to ask what is the advantage for printers of
>> talking pdf instead of ps.
> 
> I suspect more for printing from mobile devices; PDFs are common (eg
> bank statements) so someone who is "phone first" may download a PDF
> document on their phone, view it, print wirelessly.  But even with
> firefox on Linux, printing may generate a PDF (I just disabled the
> queue, did a test print, saw it was a PDF in the queue).

Ah.


-- 
Cheers,
        Carlos E.R.
        ES🇪🇸, EU🇪🇺.

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Question re postscript and pdf "Carlos E.R." <robin_listas@es.invalid> - 2026-09-10 19:57 +0200
  Re: Question re postscript and pdf usenet@spuddy.org (Stephen Harris) - 2026-09-11 08:09 -0400
    Re: Question re postscript and pdf "Carlos E. R." <robin_listas@es.invalid> - 2026-09-11 14:44 +0200
  Re: Question re postscript and pdf magardner2010 <magardner2010@gmail.com> - 2026-09-11 15:24 +0300
    Re: Question re postscript and pdf "Carlos E. R." <robin_listas@es.invalid> - 2026-09-11 14:42 +0200
    Re: Question re postscript and pdf Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-09-12 02:21 +0000
      Re: Question re postscript and pdf Ian <${send-direct-email-to-news1021-at-jusme-dot-com-if-you-must}@jusme.com> - 2026-09-12 07:32 +0000
        Re: Question re postscript and pdf Nuno Silva <nunojsilva@invalid.invalid> - 2026-09-12 11:07 +0100
          Re: Question re postscript and pdf "Carlos E.R." <robin_listas@es.invalid> - 2026-09-12 13:20 +0200
            Re: Question re postscript and pdf Nuno Silva <nunojsilva@invalid.invalid> - 2026-09-12 12:52 +0100
        Re: Question re postscript and pdf Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-09-13 08:16 +0000
          Re: Question re postscript and pdf "Carlos E.R." <robin_listas@es.invalid> - 2026-09-13 13:42 +0200
            Re: Question re postscript and pdf James Dow Allen <user4353@newsgrouper.org.invalid> - 2026-09-13 13:03 +0000
              Re: Question re postscript and pdf Peter Flass <Peter@Iron-Spring.com> - 2026-09-13 07:33 -0700
              Re: Question re postscript and pdf John Levine <johnl@taugh.com> - 2026-09-13 14:50 +0000
              Re: Question re postscript and pdf "Carlos E.R." <robin_listas@es.invalid> - 2026-09-13 19:09 +0200
              Re: Question re postscript and pdf antispam@fricas.org (Waldek Hebisch) - 2026-09-14 16:22 +0000
                Re: Question re postscript and pdf Nuno Silva <nunojsilva@invalid.invalid> - 2026-09-15 10:41 +0100
                Re: Question re postscript and pdf Peter Flass <Peter@Iron-Spring.com> - 2026-09-15 07:41 -0700
                Re: Question re postscript and pdf Nuno Silva <nunojsilva@invalid.invalid> - 2026-09-16 00:23 +0100
                Re: Question re postscript and pdf Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-09-15 23:25 +0000
                Re: Question re postscript and pdf Dave Yeo <dave.r.yeo@gmail.com> - 2026-09-15 20:07 -0700
                Re: Question re postscript and pdf Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-09-16 04:17 +0000
                Re: Question re postscript and pdf Nuno Silva <nunojsilva@invalid.invalid> - 2026-09-16 11:41 +0100
                Re: Question re postscript and pdf Peter Flass <Peter@Iron-Spring.com> - 2026-09-16 08:02 -0700
                Re: Question re postscript and pdf Dave Yeo <dave.r.yeo@gmail.com> - 2026-09-16 14:41 -0700
                Re: Question re postscript and pdf Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-09-17 01:56 +0000
                Re: Question re postscript and pdf Nuno Silva <nunojsilva@invalid.invalid> - 2026-09-17 10:27 +0100
                About OO vs LO "Carlos E. R." <robin_listas@es.invalid> - 2026-09-16 09:19 +0200
                Re: About OO vs LO Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-09-16 07:48 +0000
                Re: About OO vs LO "Carlos E. R." <robin_listas@es.invalid> - 2026-09-16 11:57 +0200
                Re: Question re postscript and pdf Peter Flass <Peter@Iron-Spring.com> - 2026-09-16 07:55 -0700
                Re: Question re postscript and pdf Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2026-09-16 16:22 +0000
                Re: Question re postscript and pdf Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-09-17 01:57 +0000
                Re: Question re postscript and pdf Chris Ahlstrom <OFeem1987@teleworm.us> - 2026-09-18 17:35 -0400
      Re: Question re postscript and pdf Nuno Silva <nunojsilva@invalid.invalid> - 2026-09-12 10:59 +0100
      Re: Question re postscript and pdf antispam@fricas.org (Waldek Hebisch) - 2026-09-14 16:08 +0000

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