Message
Re: [colorvision_group] Re: 1A higher L* than 1B, what to do..?
2007-12-23 by CDTobie@aol.com
In a message dated 12/22/07 6:45:02 PM, oisteinthomassen@... writes:
Let me add that I'm using Spyder3print.. anyone? Should I reduce the
ink density (this is possible in the Epson 2100 printer driver)?
What you are describing is a situation where ink black is not as dark as a "rich" black blend from whatever CMY Plus Black the driver offers just before black. You should start by trying other media settings (including ones that might not sound logical) to see if you can get a more linear result near black with some other setting. Next, you could consider moving to a paper that offers better blacks. And finally, you could consider adjusting the ink density slider, though it will have other effects you may not be happy with.
If you don't get the result you want from any of these, then its possible to sometimes improve profile results by "tricking" the profile, by reading the second patch twice, and never reading the first patch. And you could just give up and use the "rich" black for your blacks by creating a curve where the composite curve ends a bit above black, so blacks are mapped to that dark blend. This curve can be created as a Photoshop RGB .acv curve, and once you have it just right, can be imported into Spyder3Print and applied to your paper profile to "fix" the issue at the profile level, instead of at the image level.
C. David Tobie
Product Technology Manager
Digital Imaging & Home Theater
Datacolor Inc.
CDTobie@datacolor.com
www.datacolor.com/spyder3
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