press profiling
press profiling
- Subject: press profiling
- From: Matthew Larmour <email@hidden>
- Date: Mon, 14 Jan 2008 14:07:23 -0800
- Priority: normal
Hi all,
I'm working on profiling a sheetfed press. I'm not quite prepared to calibrate it to a standard, and so am looking at profiling it when run to our "house" SIDs.
Being as this is my first attempt at this sort of thing, I'm looking for a bit of guidance on methodology. I have run an ECI profiling target to our standard SIDs, letting the colours fall where they do, and built a profile. In ColorThink the curves look rough (to me, compared to SWOP v2), and the gamut boundary has some "dents" along the magenta/red face. It does not look good to me.
I am wondering:
- Should I be linearizing the press response via rip curves before profiling? Does it make that much of a difference in the resulting profile quality?
- How many press sheets should I average, and should the used press sheets be evenly spaced through the run?
Any other tips on how to go about this appreciated!
Matthew Larmour
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