Re: Proof simulation

[Joseph Yates <joseph@islandartcards.com>]

Steve Pollock wrote:
> 
> Can anyone recommend a paper w/ characteristics like the commercial
> proofing stock that our prepress vendors use for their analog and
> digital proofs?  Epson glossy paper is so much brighter and bluer so as
> to make it fairly useless in eventual comparisons.  My experiment using
> Dupont Waterproof digital proofing paper failed miserably w/ the Epson
> ink sitting on top in a wet puddle.

Dupont is also supplying a commercial proofing stock for the EFI/Epson
5000, I looked into it awhile ago but it's expensive, but should perform
well in your 1520, and is geared toward a CMYK proofing standard.
> 
> With respect to PressReady, does anyone know whether it's actually doing
> a CMYK>CMYK transform on-the-fly (from my declared  Sheetfed Coated to
> Epson/Glossy Paper), or is there something more malignant going on?
> What I'd *like* to do, if possible, is create a custom profile for the
> paper I settle on and somehow trick the PressReady driver into
> displaying it in its Paper Type drop-down.  Am I in uncharted territory
> (again)?

I suspect that PressReady is doing a CMYK-->RGB transform (unless you
select UNSPECIFIED in the Adobe Print Color control panel) since some
gray steps I sent to PR came out with CMY in the black steps. Don't know
why you would want to trick PR into putting a profile in the Paper Type
menu, you can put a custom in the Print Color panel, but again I suspect
that it will be doing a CMYK->RGB transform. The workflow as I
understand it is to select Unspecified in the Print Color panel and
select your custom profile in AdobePS.

Aloha from Maui, Hawaii
Joseph Yates
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