Re: CMYK profiling - Monaco / StudioPrint
Re: CMYK profiling - Monaco / StudioPrint
- Subject: Re: CMYK profiling - Monaco / StudioPrint
- From: neil snape <email@hidden>
- Date: Sat, 05 Jul 2003 13:54:52 +0200
on 05/07/2003 12:21, Quentin Bargate wrote :
>
I am for the first time building CMYK profiles through MonacoProof for use
>
with a trial copy of StudioPrint 10.
I'm not familiar with StudioPrint 10.
>
One enters the mysterious world of ink limiting and black generation:-)
>
Arrgh, scary!
Easy enough to use presets though. Be aware that there is two distinct
differences between black generation for ink jets and real press. Inkjets
are always trying to simulate something else. They are seldom used full open
without simulating photographic results, proof, or press, flexo etc. The
black generation for press is to reinforce the key of the deficient process
colors and further to replace trichromatic colors by UCR and or GCR. On a
real press the printer spots are made up of the fixed minimum laser size
built up around a cell type of pattern (elliptical, round , etc). The black
dot is fine enough that the dots are small enough to make contone at normal
viewing distances. Inkjets however are using droplets sizes that are much
larger in minimum size and even when using a variable black droplet size are
quite visible causing a certain unwanted texture especially on certain
papers that hold sharpness to the extreme such as Best RemoteProof paper.
>
Generally for photographic use with an Epson 7600, should black generation
>
be set..where? I always assumed low, to avoid speckles in lighter areas.
>
Options in Proof are none, light, medium and heavy.
I would try light. If you're shooting for ;the least illuminant metameric
prints use heavy. This can replace the other component colors that are more
or less responsible for the color shifts in viewing conditions with
different light sources.
>
A second and possibly more subjective question is whether the larger CMYK
>
patch sizes and more complex black generation option in MonacoProfiler are a
>
worthwhile (i.e. noticeable to the reasonably critical observer) improvement
>
over Proof. No particular problem with the first CMYK profile I have built,
>
but there a few hints of slight posterisation if you are fanatically
>
critical.
The presets are probably going to use the same math in creating profiles as
the larger Monaco package. Usually these settings are really for fine tuning
of process press, not really an obligation for good inkjet profiles.
Neil Snape
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