On Wed, Jan 19, 2011 at 10:32 PM, Chris Murphy <span dir="ltr"><<a href="mailto:lists@colorremedies.com">lists@colorremedies.com</a>></span> wrote:<br><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;"> <div style="word-wrap:break-word"><div><div class="im"><blockquote type="cite"><div class="gmail_quote"><div>ICC spec (7.2.5) identifies 'prtr' as an "Output Device" profile. So if you really do an RGB-based output device, then you could have a 'prtr' profile for it - but I am not aware of any in actual use.</div> </div></blockquote><div><br></div></div><div>I'm really confused. Every single desktop inkjet printer comes with such profiles.</div></div></div></blockquote><div><br></div><div>Not as output profiles they don't. They may have proofing/simulation profiles in RGB - but not an actual prtr. if you've got one, I'd love to see it...</div> <div><br></div><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;"><div style="word-wrap:break-word"><div>But that's exactly what's being used by Photoshop and Lightroom,</div> </div></blockquote><div><br></div><div>As a SOURCE profile but not as a PRINTER profile - and not at print time.</div><div><br></div><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;"> <div style="word-wrap:break-word"><div> and dropped into the Mac OS PDF print spool file as an OutputIntent. It's an RGB-based OutputIntent. All of these desktop printers are treated as RGB 100% of the time when driven by the manufacturer's print driver.</div> </div></blockquote><div><br></div><div>Not as OutputIntent. And even if it was, the OI is only used in a PDF/X file. It's ignored (as per spec) for any standard PDF.</div><div><br></div><div>Perhaps you mean as a source profile - because that's what Quartz does.</div> <div><br></div><div>Leonard </div></div>