Re: Rip Software
Re: Rip Software
- Subject: Re: Rip Software
- From: Matthew Kelly <email@hidden>
- Date: Thu, 2 Feb 2006 13:39:27 -0600
On Feb 2, 2006, at 11:51 AM, Dan Reid wrote:
The reality was that I was never able to get a proofer gamut that was
any better than what I was getting from a Sherpa43 CMYKcm. I tried
various papers and Pantone Vantage inks. I used ProfileMaker with
the multicolor plug-in for the hifi profile.
To state the obvious, you did send out GMB separated Hex chart? Your
Hexachrome profile should look quite different from a traditional 4/C
profile. Obvious excursions in the orange and green.
I did use the MC Hexa charts when profiling the proofer.
When I looked at canned profiles, they were not any better.
So my point is, is it possible to get a good hexachrome profile off
of the Roland HiFi, as compared to a press set up for hexachrome? If
it is the fact that it is not possible, that would relieve me of
being the source of the failure.
I have been doing extensive testing of Hexachrome proofing with a
FJ540 here
with all the RIPs under the sun. Though ColorBurst Win can't proof a
separated Hexachrome press file to a Roland Hexachrome printer you
should be
able to get excellent proofs of 4/C files with spot colors emitted in
postscript stream to get the Pantone color matches you are seeking.
Make
sure those Pantone colors are showing up in the postscript stream.
I am not sure if I understand you here. I was using the Colorburst
Prepress RIP, which does allow ink settings for 7th and 8th color.
Are you saying that if the RIP received a separated PostScript file
with the heading Hexachrome Green, it would not understand how to
render this file?
As I recall, the MC Hexa EPS file, when it was sent native to the
Colorburst, would error out. I think what I ended up having to do
was distilling the EPS to make a composite PDF. Viewing that PDF in
Acrobat using the Advanced>Output Preview indicated a makeup of
Hexachrome inks. So could it be that the RIP converted all that to
CMYK data?
Also, these were experiments I was trying a year ago while employed
at a different company. My current employer finds it prudent to curb
some of my theoretical explorations.
Matthew Kelly
Prepress Supervisor
Litho Press, Inc.
4334 Milling Road
San Antonio, TX 78219
210-541-0707
email@hidden
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