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QTR-Quadtone RIP

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Re: [QuadtoneRIP] Creating new QTR profiles for Epson 4000 w/Piezo K7 inks

2007-03-13 by Carl Schofield

Tom,

If you think it might be useful to others please do put it in the  
files section.  I extracted the numbers from a file for the 2400  
printer so I don't think this can be used for other printers.  Note  
also that if anyone uses this file they should first delete the  
existing linearization data before using the file with new papers.  I  
actually got the idea form a post by Howard Shaw (see his example  
curves here: http://www.howardshaw.org/docs/k7-qtr/k7curves.htm).  He  
made a similar profile for the 2200 printer.  Roy was also looking  
into a way of automating the curve extraction from the .quad files,  
but I don't know if he has pursued this any further.

Regards,
Carl

On Mar 13, 2007, at 5:02 PM, Tom Moore wrote:

> Carl
>
> This would be a useful addition to the files section. Do you mind  
> if I do
> that?
>
> Tom Moore
>
>> -----Original Message-----
>> From: QuadtoneRIP@yahoogroups.com  
>> [mailto:QuadtoneRIP@yahoogroups.com] On
>> Behalf Of Carl Schofield
>> Sent: Tuesday, March 13, 2007 10:53 AM
>> To: QuadtoneRIP@yahoogroups.com
>> Subject: Re: [QuadtoneRIP] Creating new QTR profiles for Epson 4000
>> w/Piezo K7 inks
>>
>> Some of us have made "generic" profiles for the K7 inks using
>> existing K7 .quad file curves.  A bit tedious to make the first one,
>> but once you have a basic profile like the example below (for a 2400
>> printer), making new profiles for other papers is simply a matter of
>> adjusting ink limit for the new paper and re-linearizing.
>>
>> Carl
>>
>> #  QuadToneRIP curve descriptor file
>> #
>> #  for 2400 with K7 inks
>> # Adjust ink limits as necessary and re-linearize for new papers.
>>
>> GRAPH_CURVE=YES
>>
>> #
>> # number of inks must be 4, 6, or 7
>> # the ink limits are percentages
>> #   usually they are all the same but they can be individually set
>> #
>> N_OF_INKS=7
>> DEFAULT_INK_LIMIT=75
>>
>
>
> ...
>
>>
>
>
>
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