Digital BW, The Print

Shouldn't the rendering intent be set to perceptual in the Print with  
preview dialog when using the gray icc profile for printing?


On Oct 18, 2005, at 12:37 PM, Steve Kale wrote:

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>> From: Paul Roark <paul.roark@...>
>> Reply-To: <DigitalBlackandWhiteThePrint@yahoogroups.com>
>> Date: Tue, 18 Oct 2005 09:23:12 -0700
>> To: <DigitalBlackandWhiteThePrint@yahoogroups.com>
>> Subject: RE: [Digital BW] ICC v. Transfer Function in Epson driver
>>
>> I printed a 21-step test file with the icc that was created with this
>> system, and the ramp is relatively dark with very compressed 90% -  
>> 100%
>> steps.  It's not what I'd like to see as a final density  
>> distribution.
>>
>
> I think this is something you have to be careful of.  Remember the  
> colour
> management at work in showing the image on your display (no soft  
> proof or
> anything) is doing an identical thing.  Perfect black (image file)  
> can't be
> generated by your display.  Instead Adobe CMM is mapping the file  
> black to
> your monitor's black point, most likely with relative colormetric  
> intent and
> black point compensation (so there is no clipping).  So this is  
> exactly the
> same thing as what the printer ICC profile is doing only the  
> printer black
> is even worse.  So the point to remember is that you have been  
> looking at
> this sort of scaling all the time for years.
>
> The scaling of luminance in XYZ makes sense.
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>>
>> I was looking for an easy way to put the icc into the correct  
>> folder, but
>> have not found one yet.  If I open the icc with Notepad and save it,
>> Photoshop does not see it as an icc.
>>
>> Is there a way to refresh the Photoshop icc list without closing and
>> re-opening the program?
>>
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> Annoyingly, not that I know of.
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>>
>> Sorry for all the questions you guys have worked out long ago.
>>
>> Paul
>> www.PaulRoark.com
>>