Do you need the CMYK option checked? (In other words, are you sending your
PDF out to a service bureau using a high-quality printer so it can be
printed and bound? That's usually why people are checking the CMYK option.)

>From some of the discussion here, I get the idea that people think CMYK is
just something you pick on a whim. And in response to an earlier comment
that CMYK affects color vividness in the PDF, that happens because CMYK is
limited to producing colors by mixing printing inks (a subtractive process
that is quite different from the additive mixing of pixels on the screen,
i.e. RGB). 

Additive mixing produces white by its max values (256,256,256). Mixing C, M,
and Y inks at max values produces black (albeit not a lovely black, which is
why the K is there).

If your PDF is only going to the screen or a cheap printer (with minimal
control of the color space desired), then RGB is fine and choosing CMYK is
really not a smart idea since it takes much longer to distill and would have
little or no benefit.

Craig
P.S. Forgive any simplifications in the above. CMYK printing is a rather
complex issue.
P.P.S. The color space that can be produced by Cyan, Magenta, Yellow and K
(black) printing inks on paper is much more restricted than the color space
produced by RGB pixels on a computer screen. If you've ever mixed watercolor
paint you know that you can't mix colors with pigment that result in colors
that are lighter or more vivid than the colors you start with. Any mixing
reduces both the value (lightness/darkness) as well as the vividness
(saturation) of the color. 

-----Original Message-----
From: framers-boun...@lists.frameusers.com
[mailto:framers-boun...@lists.frameusers.com] On Behalf Of Syed Zaeem Hosain
(syed.hos...@aeris.net)
Sent: Saturday, October 18, 2014 6:32 PM
To: Robert Lauriston; framers@lists.frameusers.com
Subject: RE: PDF query

Same here with "Save as PDF", except that with FM 12, it seems that I also
need to select the "RGB" checkbox option to make it work correctly. The
"CMYK" option does _not_ work properly.

I will see if I can find the test documents I sent to Adobe and post them
here later ...

Z

Robert Lauriston said:
> At least from FM6 on, I had zero problems with Save as PDF so long as
Distiller / Adobe PDF was selected as the printer and I used the same file
name as the .book I was saving.

Mike Wickham wrote:
> Actually, Frame print to PDF was the gold standard. Save as PDF was so
buggy that all experts recommended against using it.

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