Roger,
I would encourage you to apply the G7 process to calibrating the web press with FM
screening. I know you have the training and could complete a successful
G7 calibration.
Gerry Gerlach
Integrity Graphics Inc.
(A Graphics Communication Company)
www.integritygraphics.com
1010 Day Hill Road, Windsor, Ct, 06095
U.S.A.
Main: 800.343.1248 Direct: 860.640.0709
Mobile: 203.213.8341
-----Original Message-----
From: Roger Breton <graxx(a)videotron.ca>
Date: Sun, 23 Sep 2007 22:36:37
To:eci-en@lists.callassoftware.com
Subject: Re: [ECI-EN] ISOnewspaper26v4 profile and stochastic screening
Hi Gerry,
I'm all for G7. But I'm affraid of bringing it into the maintream.
I'm about to try it on a news web heatset process. But I can do it because
it is not a daily-type of newspapers that assume ISO-12647-3 type of
calibration.
The G7 process is an excellent method to manage web
newsprint print. I think
this would be a great opportunity for the newprint industry to improve and
control it's process with greater predictability.
I'm convinced of that too.
This process is successful due to the gray balance and
tone shape approach to
offset lithography.
Gery, does it make sense to say that the G7 method results on lower midtone
densities as opposed to traditional TVI methods of press calibration?
I recently conducted G7 calibration on #3 grade of coated paper in a web
heatset process and got 5% less TVI on CMY ay 50% as compared to the "old"
method.
Gerry Gerlach
Roger Breton
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