Re: ICC Profiles and EPSON 5000
Re: ICC Profiles and EPSON 5000
- Subject: Re: ICC Profiles and EPSON 5000
- From: Marco Ugolini <email@hidden>
- Date: Sun, 03 Feb 2002 10:00:52 -0800
Glenn,
I agree with you. When I used the Fiery RIP, I tried to implement (more
exactly, improvise, since no documentation exists) some kind of ICC
profiling for the device that would improve the results, but so many
controls remain active between input and output, none of which can be
effectively disabled, that you never know whether what you captured in a
profile is a stable result or a moving target because of uncontrollable
variables. And nobody seems to be able to give you a definitive answer on
how to make it work reliably, no one I met anyway. That's why I gave up on
it. You are very right to say that ICC profiling is supposed to reduce
guesswork to a very minimum: if you MUST edit your profiles, extensively it
seems, to achieve good results, that in itself would tell me that one is off
the mark. So I have moved on to the DuPont Color Station (which is 100%
equivalent to the Best Colorproof software, except for a few irrelevant
branding features). And I have certainly not regretted it.
Marco Ugolini
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From: Glenn Kowalski <email@hidden>
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Date: Sun, 3 Feb 2002 08:11:51 -0500
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To: email@hidden
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Cc: <email@hidden>
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Subject: Re: ICC Profiles and EPSON 5000
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>
Marco,
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It sounds like he is not profiling the 5000 itself, but loading a
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target profile, then modifying it to compensate for the lack of a
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profile for the 5000. Kind of like creating a device link profile but
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with only half the information! This doesn't sound like an optimum
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way to work and very hit or miss. ICC profiles are supposed to remove
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the guess work and fudging around, not create it.
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>
Glenn Kowalski
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Studio 405
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>
> From: Marco Ugolini <email@hidden>
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>
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>> Scott Griswold <email@hidden> wrote:
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>>
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>> I had worked with the Epson 5000 for nearly 4 years with a Fiery RIP and had
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>> it matching a Matchprint easily within 95% accuracy. The Key is to use a
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>> good CMYK profile from the device to are targeting and load it in as a
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>> simulation using Colorwise pro Tools. Then in Colorwise, you adjust the
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>> curves for that profile until the output matches an evaluation image from
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>> the target device. This takes some rounds of adjusting but is certainly
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>> attainable.
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> Scott, I don't work with the Fiery RIP software any longer, but, just for my
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> own information, I would like to hear more details about the procedure you
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> are outlining, specially the part where you mention loading a good CMYK
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> profile as a simulation using Colorwise Pro Tools. The questions that come
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> to mind, from having used the Fiery RIP package in the past, are of this
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> kind:
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> - How do you obtain a good CMYK profile from a device that does not allow
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> you to switch off all controls, or to determine ink limits or quantities, or
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> paper profiles?
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> - What test chart(s) do you print to generate the profile (e.g., the 3.5
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> CMYK)?
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> - What exactly are the steps of the procedure of "loading the profile in"?