Digital BW, The Print

Great info - thanks!  Does it have to be the I1 spectro or can I use 
Print Fix Pro?

SteveB 

--- In DigitalBlackandWhiteThePrint@yahoogroups.com, "Gary Weaver" 
<garww@...> wrote:
>
> Or, you can just eyeball the print  :  )
> 
> gar
> 
> *********** REPLY SEPARATOR  ***********
> 
> On 5/12/08 at 7:52 PM slcphoto73 wrote:
> 
> >OK, with a lot of help (see discussion in the EpsonWideFormat 
group, I
> >came up with the following For Dummies summary:
> >
> >     Creating and Using Your Own Grayscale Profiles (Windows)
> >
> >Based on information gleaned from Eric Chan, Giorgio Trucco, 
Stephen
> >Best, and Walker Blackwell.
> >
> >1.  Acquire the necessary tools
> >
> >- A spectrophotometer (I think it has to be the I1.)
> >
> >- QuadTone RIP (QTR includes a Step 51 Gray chart which you print 
and
> >measure and the software that creates the profile. On Windows, go 
to
> >http://software.sbillard.org/QTRgui.htm )
> >
> >- MeasureTool from GretagMacbeth (Download the GretagMacbeth
> >ProfileMaker demo version and install the MeasureTool.  MeasureTool
> >will run without a dongle, so you don't need to actually buy the
> >expensive ProfileMaker to use it.)
> >
> >2.  Make the test print
> >
> >-  Open QTR\eye-one\Step-51-gray.tif into Photoshop, telling 
Photoshop
> >"don't color manage"
> >
> >-  Print it onto the paper for which you are making the profile
> >
> >      - In the Photoshop print dialog box, select "no color 
management"
> >
> >      - In the print driver dialog box, specify Advanced Black and
> >White with whatever other settings you want to use for this paper.
> >Giorgio Trucco recommends "…using the Dark  setting for better 
linearity."
> >
> >      - Let the print dry
> >
> >3.  Use MeasureTool and your spectrophotometer to read the target
> >
> >-  Open MeasureTool
> >
> >-  Select "Configuring"
> >
> >      -  Specify "reflection" (for measuring paper) and leave 
Spectral
> >toggles unchecked (this exports as LAB values) 
> >
> >      -  Specify your measurement device. I found I had to select 
it
> >even if it already appeared in the dropdown window.
> >
> >-  Select "Measuring"
> >
> >      - Select the chart you printed (QTR 51 Gray) (I think I 
remember
> >that I had to copy QTR-Gray-51.txt from the QTR program files 
folder
> >into C:\Program Files\GretagMacbeth\ProfileMaker Professional
> >5.0.8\Reference Files\Printer)
> >
> >      - Follow the instructions to measure the chart
> >
> >- Select File/SaveAs to save the result as .txt
> >
> >4.  Turn the .txt file into a profile
> >
> >-  Copy the .txt file to QTR\eye-one (WARNING: on Windows Vista I
> >found I had to copy QTR_Create_ICC.exe to a regular directory, one
> >that is not UAC controlled, and put the .txt file in the same 
directory)
> >
> >- Drag/drop the .txt file into QTR_Create_ICC.exe (If no .icc file
> >appears check the –out.txt file (also created by 
QTR_Create_ICC.exe).
> >There may be an explanatory warning message at the bottom.)
> >
> >-  Put the new profile into where your color profiles are kept. On
> >Windows/Vista, that is C:\Windows\System32\spool\drivers\color
> >
> >5.  To use the gray profile to soft proof
> >
> >-  Works just like a color profile
> >
> >-  Rendering intent must be Perceptual
> >
> >-  Do use black point compensation
> >
> >6.  To use the gray profile to print
> >
> >-  Make sure your image is in mode RGB – convert it if necessary
> >
> >-  In Photoshop print dialog
> >
> >      -  Let Photoshop determine colors
> >
> >      -  Select the QTR profile
> >
> >      -  Select "perceptual" rendering intent because QTR only
> >supports perceptual
> >
> >      -  Do check black point compensation
> >
> >-  In the printer driver dialog set the driver to the same 
settings as
> >used to print the QTR 51 Gray chart.
> >
> >Hope this is correct and helpful. Any improvements/suggestions are
> >welcome; eventually this file should be posted to the Web somewhere
> >for others to find (I don't have a Web site).
> >
> >  - susan
> > 
> >
> >
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