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Groups > comp.sys.acorn.misc > #4392

Re: Printer

From Dave Symes <dave@triffid.co.uk>
Newsgroups comp.sys.acorn.misc
Subject Re: Printer
Date 2012-03-18 19:06 +0000
Organization Triffids Leg Press
Message-ID <52728509b7dave@triffid.co.uk> (permalink)
References <5272611ca3dave@triffid.co.uk> <527264ff3fchrisjohnson+news@spamcop.net> <5272750baadave@triffid.co.uk> <52727be2c4chrisjohnson+news@spamcop.net>

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In article <52727be2c4chrisjohnson+news@spamcop.net>,
   Chris Johnson <chrisjohnson+news@spamcop.net> wrote:
> In article <5272750baadave@triffid.co.uk>,
>    Dave Symes <dave@triffid.co.uk> wrote:
> > In article <527264ff3fchrisjohnson+news@spamcop.net>,
> >    Chris Johnson <chrisjohnson+news@spamcop.net> wrote:
> > > In article <5272611ca3dave@triffid.co.uk>,
> > >    Dave Symes <dave@triffid.co.uk> wrote:
> > > > Unfortunately. Shift + Select click, PostScript Configuration
> > > > window doesn't have any option to control the resolution, so it
> > > > prints at max res all the time (Very wasty on toner).

> > > ... but postscript has no real conception of 'resolution' - it's
> > > all controlled by the printer. Laser printers in general have a
> > > default resolution determined by the laser engine, and not by the
> > > computer. Remember, postscript is primarily a vector language (a
> > > bit like draw), and not bitmap (like paint). Even when the page
> > > contains a bitmap, it is converted to the laser engine resolution
> > > when printed.

> > I know nothing much about PS, what I do know is, no matter what
> > resolution I set in the Printer config interface app on the PC,
> > even Economode, PS still prints at max resolution.

> As I said above - PS has no concept of resolution - it prints at the
> resolution of the laser engine (even if it may now be a LED or
> whatever, rather than a true laser). It's all done by the cpu in the
> printer. In the old days laser printers (eg Apple) used a fixed
> resolution of 300 dpi. Modern ones probably are not very different,
> maybe 600 now. You will not get the quoted resolutions of 1440 or
> 2880 of inkjet printers, which is why most consumer colour laser
> printers cannot do photoreal printing as well.

If you say so...I have no idea.

The bottom line is obvious, If I have no way of controlling the resolution
with a PS driver, then the PS driver is no use at all to us and I've been
wasting both my time and toner testing.

FWIW. Using, for example the RISC OS HP LaserJet driver I can configure
150, 300, and 600 dpi and the printer does print at the chosen res.

BTW. Max res of the printer is 1200.

Dave

-- 

Dave Triffid

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Thread

Printer Dave Symes <dave@triffid.co.uk> - 2012-03-18 12:34 +0000
  Re: Printer Chris Johnson <chrisjohnson+news@spamcop.net> - 2012-03-18 13:16 +0000
    Re: Printer Dave Symes <dave@triffid.co.uk> - 2012-03-18 16:11 +0000
      Re: Printer Chris Johnson <chrisjohnson+news@spamcop.net> - 2012-03-18 17:26 +0000
        Re: Printer Dave Symes <dave@triffid.co.uk> - 2012-03-18 19:06 +0000
          Re: Printer Chris Johnson <chrisjohnson+news@spamcop.net> - 2012-03-18 20:45 +0000
            Re: Printer Tim Hill <tim@invalid.org.uk> - 2012-03-18 21:39 +0000
              Re: Printer Dave Symes <dave@triffid.co.uk> - 2012-03-19 06:21 +0000
                Re: Printer Rick Murray <heyrickmail-usenet@yahoo.co.uk> - 2012-03-19 14:23 +0100
                Re: Printer Russell Hafter News <see.sig@walkingingermany.invalid> - 2012-03-19 14:15 +0000
                Re: Printer Rick Murray <heyrickmail-usenet@yahoo.co.uk> - 2012-03-19 18:53 +0100
                Re: Printer Tim Hill <tim@invalid.org.uk> - 2012-03-22 14:12 +0000
                Re: Printer Tim Hill <tim@invalid.org.uk> - 2012-03-22 14:08 +0000
              Re: Printer Chris Evans <chris@cjemicros.co.uk> - 2012-03-19 10:39 +0000
            Re: Printer Dave Symes <dave@triffid.co.uk> - 2012-03-19 05:47 +0000
          Re: Printer Dave Higton <davehigton@dsl.pipex.com> - 2012-03-18 21:51 +0000
            Re: Printer Dave Symes <dave@triffid.co.uk> - 2012-03-19 05:42 +0000
        Re: Printer Alan Calder <alan_calder@o2.co.uk> - 2012-03-19 12:58 +0000
          Re: Printer Dave Symes <dave@triffid.co.uk> - 2012-03-19 19:21 +0000
            Re: Printer Alan Calder <alan_calder@o2.co.uk> - 2012-03-19 19:47 +0000
              Re: Printer Chris Johnson <chrisjohnson+news@spamcop.net> - 2012-03-19 20:46 +0000
              Re: Printer Russell Hafter News <see.sig@walkingingermany.invalid> - 2012-03-19 22:31 +0000
                Re: Printer Alan Calder <alan_calder@o2.co.uk> - 2012-03-20 11:32 +0000
                Re: Printer Chris Evans <chris@cjemicros.co.uk> - 2012-03-20 13:26 +0000
                Re: Printer Martin Wuerthner <spamtrap@mw-software.com> - 2012-03-20 16:20 +0100
                Re: Printer Russell Hafter News <see.sig@walkingingermany.invalid> - 2012-03-20 16:05 +0000
                Printer Russell Hafter News <see.sig@walkingingermany.invalid> - 2012-03-20 16:07 +0000
                Re: Printer Chris Evans <chris@cjemicros.co.uk> - 2012-03-20 17:29 +0000
            Re: Printer M Harding <riscos@mdharding.org.uk> - 2012-03-19 20:17 +0000
              Re: Printer Dave Symes <dave@triffid.co.uk> - 2012-03-19 20:42 +0000
                Re: Printer M Harding <riscos@mdharding.org.uk> - 2012-03-19 21:37 +0000
                Re: Printer Dave Symes <dave@triffid.co.uk> - 2012-03-20 07:08 +0000
                Re: Printer M Harding <riscos@mdharding.org.uk> - 2012-03-20 10:39 +0000
                Re: Printer Chris Evans <chris@cjemicros.co.uk> - 2012-03-20 13:14 +0000
                Re: Printer Dave Symes <dave@triffid.co.uk> - 2012-03-20 19:07 +0000
                Re: Printer Chris Evans <chris@cjemicros.co.uk> - 2012-03-21 10:38 +0000
                Re: Printer Dave Symes <dave@triffid.co.uk> - 2012-03-21 19:40 +0000
                Re: Printer Dave Higton <davehigton@dsl.pipex.com> - 2012-03-21 22:29 +0000
                Re: Printer Chris Evans <chris@cjemicros.co.uk> - 2012-03-22 17:13 +0000
                Re: Printer Dave Symes <dave@triffid.co.uk> - 2012-03-22 19:01 +0000
                Re: Printer Dave Symes <dave@triffid.co.uk> - 2012-03-23 07:33 +0000
                Re: Printer Tim Hill <tim@invalid.org.uk> - 2012-03-22 20:34 +0000
                Re: Printer Martin Wuerthner <spamtrap@mw-software.com> - 2012-03-23 12:05 +0100
                Re: Printer Martin Wuerthner <spamtrap@mw-software.com> - 2012-03-23 12:08 +0100
                Re: Printer Bob Latham <bob@sick-of-spam.invalid> - 2012-03-23 11:39 +0000
    Re: Printer John Tytgat <this@is.invalid> - 2012-03-20 01:10 +0100
      Re: Printer Chris Johnson <chrisjohnson+news@spamcop.net> - 2012-03-20 11:05 +0000

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