Re: [Openicc] [Gimp-print-devel] [Printing-architecture] Colour
Re: [Openicc] [Gimp-print-devel] [Printing-architecture] Colour
- Subject: Re: [Openicc] [Gimp-print-devel] [Printing-architecture] Colour
- From: edmund ronald <email@hidden>
- Date: Fri, 20 Nov 2009 00:43:45 +0100
Michael,
Thank you very much for this update!
Indeed, adding this as a use case for non-regression tests imposed on
vendor-supplied drivers does indeed like good insurance for the
future.
Edmund
On Thu, Nov 19, 2009 at 10:12 PM, Michael Sweet <email@hidden> wrote:
> On Nov 15, 2009, at 2:07 PM, edmund ronald wrote:
>
> ...
> Then, please Michael, can you tell us how to get CS4 and Preview to
> print untagged (targets etc) *reliably* on pro Epsons *today* ? Or
> could you release a simple fix that would allow us to do that?
> Many of us save print files for a given printer in untagged -eg.I
> save composite images created to compare various gamut mappings-
> directly to untagged, and print there.
>
> Apologies for the delay in responding, but I wanted to make sure I had all
> of my information straight.
> First, here is an article that started serious investigations within Apple:
> http://www.luminous-landscape.com/tutorials/solving.shtml
> This article includes a workaround for the problem, which is a combination
> of CS4 and Epson driver bugs that also show up on Leopard (10.5) if you use
> the latest Epson driver there. The workaround (use AdobeRGB as a working
> space and the ColorSync profile in the print dialog) will also work in
> Preview, although there you just tweak the profile in the print dialog.
> In any case, we are working with both vendors to get an actual fix for this
> and are looking at ways to "idiot-proof" this color path so that we don't
> get this problem again. We're also adding this particular use case to our
> standard testing so we can better catch target printing problems before
> releasing new drivers via Software Update.
> ___________________________________________________
> Michael Sweet, Senior Printing System Engineer
>
>
>
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