Digital BW, The Print

In a message dated 5/31/07 1:34:03 PM, roy@... writes:


> Some observations:
> ABW uses a lot more LLK --- 16 times!
> ABW uses a lot less Y   --- 1/4 the amount
> ABW uses no dark C and M
> 
> Interestingly this really supports the idea of replacing the Y
> ink with a LLK ink with either driver.
> 
Yes, and it would support the idea of custom profiling the color output in 
color mode after you replace the yellow cart. That would let the profiling 
software adjust the neutrality blend of the light components, eliminating not just 
the yellow, but a good bit of the other colors as well.

On the other hand, with a custom profile (I can't speak to the Stock Velvet 
profile) I find even the straight color ink mode's B&W to be low enough in 
yellow to be visually free of illuminant metamerism, so we may be splitting hairs. 


I don't find the Canon color mode to function quite like the Epson AWB mode; 
seems to be less color ink, and more light light gray in it in all modes, 
though I don't have a handy tool to quantify that, like the ink drop info from the 
Epsons...

C. David Tobie
Product Technology Manager
ColorVision Business Unit
Datacolor Inc.
CDTobie@colorvision.com
www.colorvision.com


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