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Digital BW, The Print

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Re: [Digital BW] Re: ABW vs. the world

2007-06-07 by Ernst Dinkla

Michele Berti wrote:
> --- In DigitalBlackandWhiteThePrint@yahoogroups.com, Ernst Dinkla
> <E.Dinkla@...> wrote:
>> Michele Berti wrote:
>>> I've searched the forum here for Steve's workflow but really can't
>>> find his post! Do you remember the post's subject?
>>>
>>> Michele
>>
>> Steve's messages on that subject start around 15-11-2005. I 
>> think the same time QTR got his profile creation 
>> application. There must be a place where the workflow is 
>> described but if you check the Quadtone Rip profile creation 
>> map + the manual and forget the linearisng as ABW doesn't 
>> allow that but use the profile creation by printing targets 
>> with ABW and make a profile based on that, you are halfway. 
>> Then apply that B&W paper profile in PS for printing and for 
>> the softproof, color in the softproof is only showing what 
>> the color setting in ABW was when you made the 
>> target>profile so doesn't influence the print color, for 
>> that you need the same color setting in ABW again. You need 
>> to have an embedded profile in your greyscale images while 
>> editing the file, Gamma 2.2 or QTR Gray Lab is best. With 
>> greyscale RGB files a color profile like AdobRGB which is 
>> 2.2 G too. Monitor calibrated too. This is a profiled 
>> workflow but for greyscale in this case.
>>
>>
>> Met vriendelijke groeten,  Ernst
>>
> 
> 
> So the work flow should be as follows:
> 
> 1) Print the 21step target using the ABW (in PS we must pick "No Color
> Management";
> 
> 2) In the print driver choose the media setting based on the paper
> type (i.e. Enhanced Matte for matte papers);
> 
> 3) Use the PFP measurement tool to read the patches (checking "QTR
> Format Override" and "CreateICC") and to export the txt file;

If that's the only colorimeter you have. I'm using the 
Spectrocam + the 4 x 21 random target and convert the 
measurements for QTR profiler: see my pages.

> 
> 4) create the icc with the QTR-Create-ICC application;
> 
> 5) images to be printed must be in greyscale 8-bit with attached the
> "gray-lab.icc" profile;

Or if you use neutral RGB files use the QTR RGB version + 
make QTR RGB greyscale paper profiles.

> 6) pick the qtr-icc profile in the print with preview dialog box
> (color handling "Let PS determine colors"), rendering intent "Perceptual"
> 
> 7) in the printer driver pick ABW and pick the same media setting
> usetd to print the targed.
> 
> Is this ok or do I miss something? 

Must work. Of course you could check what the difference in 
print  is with the method you used before.

-- 
Met vriendelijke groeten,Ernst


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