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Why don't drivers use a CMYK profile?
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Why don't drivers use a CMYK profile?


  • Subject: Why don't drivers use a CMYK profile?
  • From: Dan Caldwell <email@hidden>
  • Date: Mon, 13 Nov 2000 13:12:46 -0800

Dave wrote..

Depends on where you are in the chain. In my case, the OS has already ripped
the page into RGB pixels and I know (at least I think I do) the source
profile. Thus, armed with a CMYK profile I was hoping to convert the page
data directly from source RGB to printer CMYK.

Thanks,
Dave

No OS print driver prints in more than three colors. If you have a CMYK printer profile it must have been built with a Postscript RIP or an image export module from Photoshop. These are the only ways to send data to the printer in more than three channels.

Dan
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