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Date:      Sun, 20 Nov 2011 01:58:07 -0800
From:      David Southwell <david@vizion2000.net>
To:        freebsd-questions@freebsd.org
Cc:        questions@freebsd.org, perryh@pluto.rain.com
Subject:   Re: epson printers on amd64
Message-ID:  <201111200158.08181.david@vizion2000.net>
In-Reply-To: <201111200133.54033.david@vizion2000.net>
References:  <201111190050.05726.admin@vizion2000.net> <alpine.BSF.2.00.1111192152220.21265@wonkity.com> <201111200133.54033.david@vizion2000.net>

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On Sunday 20 November 2011 01:33:53 David Southwell wrote:
> On Saturday 19 November 2011 21:27:42 Warren Block wrote:
> > On Sun, 20 Nov 2011, perryh@pluto.rain.com wrote:
> > > Warren Block <wblock@wonkity.com> wrote:
> > >> On Sat, 19 Nov 2011, David Southwell wrote:
> > >>> Anyone up to date on how to do high quality printing with
> > >>> epson inkjet printers (in my case r2400 and r2880) on amd64
> > >>> systems.  print/pips* reports they require 386 and do not
> > >>> compile on amd64.
> > >> 
> > >> print/gimp-gutenprint works pretty well from Gimp, although
> > >> I have not figured out how to get consistent color and brightness.
> > >> It supports both of those printers.
> > > 
> > > I'm sure I'm not alone in doubting that _any_ ink-spitter is likely to
> > > produce "high quality printing" or "consistent color and brightness",
> > > regardless of the host support used.  Those printers are designed to
> > > be manufactured as inexpensively as possible so as to be sold at very
> > > low prices, the profit being in the recurring ink sales.  "Cheap" and
> > > "high quality" tend to be incompatible design goals.
> > 
> > (Sorry, I hadn't realized I was replying on -emulation, which is meant
> > for computer emulation.  CCed to -questions on this reply.)
> > 
> > Quality color photos are the one area where inkjets really can do a good
> > job.  Experimenting with cheap Epson R200 and R280 has shown that they
> > can print better quality photos than local photo printing places.
> > 
> > Color and brightness are consistent until I print a different photo.
> > Gutenprint saves the settings, it's just that they don't work
> > the same with different photos.  Possibly this is due to my changing the
> > wrong adjustments.
> > 
> > Oh, and I've only used Gutenprint on 32-bit systems so far.
> 
> To get high quality printing with good inkjet printeres like r2400 and
> r2880 here are the main steps I follow:
> 
> 1. Define the colour space (e.g adobe rgb 1998) to be used when the image
> is being captured.
> 
> 2. Shoot using the correct white space setting for the scene.
> 
> 3. Load onto the computer having first profiled your monitor.
> 
> 4. Use your  preferred editing software (e.g. photoshop) using a defined
> working space colour profile e.g. adobe 1998 (I prefer prophoto which is
> 32bit floating decimal point).
> 
> 5. Convert the colour profile of the image to the working colour space.
> 
> 6. Process the image.
> 
> 7. When processing complete choose the paper for printing.
> 
> 8. Make sure you have a suitable colour profile for that paper for your
> chosen printer.
> 
> 9. Print using the appropriate paper profile.
> 
> 
> 
Sorry I should have mentioned that ghostscript are integrating colour 
profiling using icc profiles although the last time I checked there was no 
support for the kind of monitor profile creation devices such as those 
manufactured by datacolor which I use on I hate to say it MS$ systems. There 
is an interesting paper on Ghostscript Color Management to be found on 
www.artifex.com/Ghostscript_Color_Architecture.pdf

david



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