Digital BW, The Print

It sounds so bad. So, this tool can be used for two years or for
producing 40 profiles only. However thanks for the response.
Bye
Daniel



--- In DigitalBlackandWhiteThePrint@yahoogroups.com, C D Tobie
<CDTobie@...> wrote:
>
> 
> On Feb 11, 2009, at 5:15 AM, nadar1900 wrote:
> 
> > I have used the spectrocolorimeter datacolor #1005 of my PrintFixPro
> > package for 2 years, profiling about 40 different papers for color and
> > grayscale with good results. But, just in the last days, measurements
> > of dark patches seem quite strange on the color coordinates in Lab
> > values. For example, here 5 Lab measurements of the step 96 in a 51
> > steps grayscale, waiting about 5-10 second between them:
> > 1) 7,99 | -2,91 | 1,26
> > 2) 8,25 | -1,29 | -0,9
> > 3) 8,11 | -0,85 | -1,1
> > 4) 8,29 | -0,22 | -2,13
> > 5) 8,00 | -1,47 | 1,28
> >
> > B value range from 1,28 to -2,13 and I can notice an evident loss of
> > contiguity, for a and b values for dark patches, comparing same paper
> > profiles created in the last days and one month ago.
> > I have repeated the same tests with different sw upgrades, from
> > PrintFix 1.0 to Spyder3Print, on different computers and different usb
> > ports, but nothing to do.
> > Have you any suggestions?
> 
> Since this appears to be a hardware based issue, if the variance is  
> beyond what your usage allows for, you will have to purchase another  
> unit, since your current one is beyond warranty. Sorry!
> 
> C. David Tobie
> Global Product Technology Manager
> Digital Imaging & Home Theater
> CDTobie@...
> 
> 
>   ----------
> 
> 
> 
> Datacolor
> www.datacolor.com/Spyder3
> 
> 
> 
> 
> [Non-text portions of this message have been removed]
>