RE: G7 GRACoL Separation Questions
RE: G7 GRACoL Separation Questions
- Subject: RE: G7 GRACoL Separation Questions
- From: Roger Breton <email@hidden>
- Date: Wed, 03 Aug 2011 20:00:17 -0400
Hi Rick,
Great set of questions.
My take on "rich black background" recipes is not to reinvent the wheel,
sort of speak. My *personal* preferences goes to throw an "HC" build or an
"HR" build underneath the black. I'm not going to comment further because
"rich blacking" is akin to a religion in graphic arts. So, depending who I
speak to, I get all sides of the argument. It works for me and it is
logical.
As for text, it's hard to beat the smarts of Adobe in-Rip trapping built
into most workflows nowadays. I'd leave it.
For the "gray" images, I would use a high-GCR profile. No question. Nothing
to do with G7. Printing is printing.
I'll leave others to suggest "best" settings for ProfileMakerPro.
Have you considered making your own GRACoL2006_C1 profile, in
ProfileMakerPro?
Last but not least, what should you do with your employer the moment he's on
press in Hong Kong?
To this I reply, "dam if you do, dam if you don't". Meaning, don't let your
current intuitive understanding keep you from pushing the envelope in the
direction that you would like to: there are so many things that go on in a
press room that you will hit all your aims or you will not hit all your
aims, but you'll never know what is it that was responsible for your success
or failure. Printing is highly complex. I say, adopt a policy and go for it.
You won't go wrong.
Roger
-----Original Message-----
From: colorsync-users-bounces+graxx=email@hidden
[mailto:colorsync-users-bounces+graxx=email@hidden] On
Behalf Of Rick Gordon
Sent: August-03-11 6:48 PM
To: ColorSync List
Subject: G7 GRACoL Separation Questions
I am setting up a job which will be output by a a G7-certified printer,
separating to a standard GRACoL2006_Coated1v2.icc profile. I have some
general questions relating to some areas that might require some special
treatment:
------
1) Some pages use a rich black background behind knocked out text. I have
two questions related to this:
a) What is the ideal build for a neutral, rich black? My files
currently have it defined as 30c,27m,0y,100k, but I can adjust as needed.
b) Should knockout text over that background have a .25pt 100k
outside stroke to act as a keep-away (as they currently do), or is that
better handled by in-RIP trapping?
------
2) Some images are gray (neutral or toned). Should they also be separated
using the GRACoL profile, or am I better using a very high GCR separation. I
have used high-GCR separations in the past for that sort of image, but
perhaps the G7 process makes that an unnecessary or less desirable choice.
And if I am best off with a high-GCR separation, what might be best settings
for me to generate one from ProfileMaker?
------
3) My employer (not me) will be going to Hong Kong for the press check. He
has often been accustomed to calling for inking adjustments as he sees
initial signature output, but my understanding is that too much of this is
not desirable with a gray-balanced G7 approach. Any insights?
--
___________________________________________________
RICK GORDON
EMERALD VALLEY GRAPHICS AND CONSULTING
___________________________________________________
WWW: http://www.shelterpub.com
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