QTR-Quadtone RIP

dieterneubert56 wrote:
> Hi all together! I have made a nice linearisation with my densitometer and my Eye-One using 
> our own 7-Step-B+W-Ink-Set called "Carboprint-Ink" for Epson 2200 (in Germany: Epson 
> 2100) and the QTR for MAC Tiger. The only problem: I cannot get the highest possible d-max 
> (thats around 1.76) on Hahnem\ufffdhles Photo Rag. The max I get with QTR is 1.64 with 
> boost_K:100 and grey_overlap: 10. I measure the 100% point at the 21-random-stepwedge. 
> My questions: 1. what can I do more to get a higher d-max? 2. for printing the 21-random-
> stepwedge is it neccessary to convert the stepwedge in the new QTR-gray workingspace and 
> print with color-management incl. the QTR grey matt printer profile or do I have to print 
> withour any color-management at this step? Thanks a lot for your help!!

Could it be the pigment load of your own black ink ?  Is a 
higher load possible or did you already pick the 85% patch and 
more pigment doesn't deliver more density ?

Ernst

                    --
           Ernst Dinkla


www.pigment-print.com
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