Re: Best colorproof 5 CMYK profile
Re: Best colorproof 5 CMYK profile
- Subject: Re: Best colorproof 5 CMYK profile
- From: Lee <email@hidden>
- Date: Fri, 29 Oct 2004 11:08:00 +0100
>
> My question is, what separation settings should I use in PM5.0 to
> obtain a large color gammut for RGB printing and a neutral result for
> grayscale.
>
> The stock is Epson Satin 250 gsm, printed at 2800x1440, using
> Ultrachrome inks.
>
> I have not had to build a CMYK profile before (working mostly in the
> RGB world) so am a bit at a loss as to what GCR setting to select,
> black max, CMYK max and black width to select.
>
> I am only looking for straight printing of TIFFs, not for simulating
> any press environments.
>
> I made one profile with the preset Inkjet 400 (GCR3, K=100%, CMYK=400%,
> black start 40%, black width 100) but it seemed to clog up the shadows
> a bit and produced a bit of red banding in the lower tones of a grey
> ramp.
>
Simon,
I use MaxK Separation setting, Total Ink 400%, Max K 100%, Black start 0,
Black width full
Essentially saying 'use as much black as possible'. This should help getting
your neutrals.
Loosing detail in the shadows, might be attributed to a 'black point
compensation' problem, or you could try and reduce the total ink to see
whether that makes a difference. Normally you can use 400% in profile making
applications because you have already done the ink limiting through the
linearization process.
One question though, after creating the linearization, you have created a
blank queue which has no colour management, but is using your linearization
setting on it when you are printing out the ECI2002 chart?
Cheers
Lee Badham
Bodoni Systems Ltd - Key solutions in digital imaging.
Tel: 01895 825776
Fax: 01895 825994
web: http://www.bodoni.co.uk
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