Hello Jani!
Thanks for your reply.
When coating is applied, AxisControl
will try to get to ISO targets as close as possible by opening/closing
ink keys. The doubt are that there is too much of ink under coating and
printing so much ink makes process very unstable. Also dot gain becomes
very high.
What does ISO says about coating? Does
coated sheet should hit same targets as uncoated? Even when coating makes
inks less saturated?
What is your experience what do customers
require?
regards,
Juris
From:
Jani Vauhkonen - PunaMusta
Oy <jani.vauhkonen@punamusta.com>
To:
eci-en@lists.callassoftware.com
Date:
2012.04.03 14:37
Subject:
[ECI-EN] Varnish
desaturates
Sent by:
eci-en-bounces@lists.callassoftware.com
Hello Juris.
I would suggest not print varnish on colorbar.
But if somebody has investicated different target values
for printing CMYK+varnish, it could be interesting to hear.
We have made some test.. If the desaturation could be
compensated by increasing density, color densities should be increased
by 8-11%. It might cause invalid tvi values, and that should be compensated
in prepress.
After all, the final result is not the same if you increase
density on varnish job vs leaving the varnish away.
Matt varnish desaturates, and that is what it is for.
-----------------------------------------------
Kind regards:
Jani Vauhkonen
Prepress manager
PunaMusta Oy
PrePress division
P.O.Box 99, FIN-80141 Joensuu
Kosti Aaltosen tie 9, FIN-80140 Joensuu
Tel. +358 10 230 8481
jani.vauhkonen@punamusta.com
www.punamusta.com
-----------------------------------------------
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Today's Topics:
1. Aqueous Coating and Lab targets (Juris Valdmanis)
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Subject: [ECI-EN] Aqueous Coating and Lab targets
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