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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