Re: Fuji Pictro Proofer, which profiling chart: CMYK or CMY?
Re: Fuji Pictro Proofer, which profiling chart: CMYK or CMY?
- Subject: Re: Fuji Pictro Proofer, which profiling chart: CMYK or CMY?
- From: Angus Pady <email@hidden>
- Date: Mon, 24 Feb 2003 18:30:13 -0500
>
Angus wrote:
>
>
> > > I am using setting up an ORIS rip, the customer wants to mach their
>
> >> in house Fuji Pitro. I ran the ECI2002 chart to the pictro and
>
> >> plugged that profile into ORIS as the press profile. The results are
>
> >> ok except for a few big bumps in the gray scale. My question is -
>
> >> should I use a CMY chart or a CMYK chart. The printer prints using
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> >> only CMY?
>
>
Adriano respond:
>
>
> >I'm not sure if I understand correctly, you trying to match a Pictro with
>
> >another one?
>
> >Or, you try to made the Pictro client to match with a press?
>
> >
>
> >The bumps sound's like a not so acurate linearization.
>
> >Could you tell me your version and more info about?
>
> >
>
> >Good night,
>
>
And Angus again:
>
>
> I am trying to match an Epson 7600 UltraChrome with an Oris RIP to
>
> the output of a Fuji Pictro printer. The paper in the Epson it a
>
> close paper white match to the Fuji, about a 1.5 delta E.
>
>
>
> I created a profile of the Fuji Pictro (it has a CMYK RIP) using the
>
> new ECI2002 chart. This then became my match profile or reference
>
> profile as some call it. The results are ok but their are a few bumps
>
> of non neutral colours in the stepped gray scale when printed on the
>
> Epson through ORIS. I have created a custom profile on the Epson
>
> using the same chart.
>
>
The questions:
>
- Did you use the *same* device to made all reads? (linearization/profiling
>
and comparing of Epson and Pictro)
Yes, I used the SpectroScan for all profiles and Lin
>
- In TIL and linearization, did you leave some room to match the
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linearization and TIL samples with the Pictro (press) ? or just adjust tight
>
as possible?
>
The ORIS support's team will guide you for leave "some" room.
Yes, I find that to match the exact press densities is restrictive in
the gamut of the device. I reduce the Solid ink Densities to the
point where their is no significant hook when a stepped color scale
is measured and imported into ColorThink.
>
- Did you use linearization And gradations curves?
Yes, I used Linearization to do my initial per channel ink limits and
to set a proper gray balance. Then after applying the new profile I
made additional adjustment in graduation to fine tune the colour
>
- Your version are full or light? eg. you could to use "Color value
>
correction" in Color Tuner?
>
very useful tool, if your worry is only the gray bumps or specific color
>
corrections.
I have not yet used this tool for this job. I am hoping to get the
base colour better before I go in and tweak
>
-BTW, this rip run much more smooth with PM (3.5 as well) profiles.
I am using ProfileMaker 4.1.1
>
- Relative or Absolute?
Absolute, but I am going to try Relative
Thanks for any input you can give.
Angus
>
Regards,
>
>
Adriano von Markendorf email@hidden
>
"I-C-Cm vitamin's inside" Rio de Janeiro - Brazil
--
Angus Pady
Digital Solutions
Richmond Hill,
105 West Beaver Creek,
Suite 3, Ontario
L4B 1C6
P: 905-764-6003
F: 905-886-6800
http://www.ColourManagement.ca
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