Datacolor User to User Support Group.

No dirty sensor, or other obstacles. Ambient light is total dark (not 
that it should matter)

--- In colorvision_group@yahoogroups.com, "LAURIE SOLOMON" 
<laurie@...> wrote:
>
> Ok, so now we have eliminated that variable.  Could it be a dirty 
sensor or
> a yellow colored transparent covering that is coming between the 
instruments
> sensor and the object being measured?  What color is the ambient 
room
> lighting in the environment in which you are doing the measurements 
(under
> what type of lighting are the measurements being made (tungsten, 
daylight,
> fluorescent, quartz-halogen, mixed lighting)?
> 
>  
> 
> From: colorvision_group@yahoogroups.com
> [mailto:colorvision_group@yahoogroups.com] On Behalf Of shileshjani
> Sent: Saturday, February 14, 2009 12:13 PM
> To: colorvision_group@yahoogroups.com
> Subject: [colorvision_group] Re: 1005 Spectrocolorimeter Problem
> 
>  
> 
> Laurie,
> 
> Even papers that are blue-cool are reporting yellow.
> 
> Shilesh
> 
> --- In colorvision_group@yahoogroups.com
> <mailto:colorvision_group%40yahoogroups.com> , "LAURIE SOLOMON" 
> <laurie@> wrote:
> >
> > Maybe your paper is yellowish despite the visual appearances to 
> your eyes.
> > The white might actually be a cream. Since you get the same 
> results using
> > two different computers, that would be the first thing to 
> eliminate. Have
> > you tried to measure a variety of white papers to see if they all 
> report as
> > yellowish?
> > 
> > 
> > 
> > From: colorvision_group@yahoogroups.com
> <mailto:colorvision_group%40yahoogroups.com> 
> > [mailto:colorvision_group@yahoogroups.com
> <mailto:colorvision_group%40yahoogroups.com> ] On Behalf Of 
shileshjani
> > Sent: Friday, February 13, 2009 6:45 PM
> > To: colorvision_group@yahoogroups.com
> <mailto:colorvision_group%40yahoogroups.com> 
> > Subject: [colorvision_group] 1005 Spectrocolorimeter Problem
> > 
> > 
> > 
> > Hello All,
> > 
> > I am new to this group. After a few months hiatus, I am trying to 
> use 
> > my 1005 Spectro for measuring densities. This is from a PrintFix 
> Pro 
> > Suite. Using the measurement tool, I calibrate the Spectro, and 
> when 
> > I measured the paper white, I noticed a strange result of yellow 
> > reading. So I went back and directly measured the calibrating 
tile. 
> > Same result. My whites are measuring yellow:
> > L=90.06
> > a=-24.69
> > b=80.89
> > 
> > I have tried to post a screen grab in this folder
> > 
> > 
> 
http://groups.yahoo.com/group/colorvision_group/photos/album/503324840
> > /pic/list
> > 
> > It is pending moderator approval.
> > 
> > I connected the Spectro to an older computer running PrintFix Pro 
1 
> > version, and I get the same result.
> > 
> > Please help.
> > 
> > Shilesh
> >
>