Re: Printing with No Color Management (again)
Re: Printing with No Color Management (again)
- Subject: Re: Printing with No Color Management (again)
- From: Chris Murphy <email@hidden>
- Date: Wed, 27 Apr 2011 17:30:45 -0600
> On Apr 27, 2011, at 6:50 PM, Chris Murphy wrote:
>>
>> I do not understand how you can conclude that you can reliably "turn off color management" in those apps, and yet also say it has nothing to do with the app.
On Apr 27, 2011, at 5:10 PM, Doyle Yoder wrote:
> I have always been able to reliably "turn off color management" with these apps.
I still don't know exactly what you mean by turn off color management: do you mean the application level color management? Or do you mean ColorSync?
If you mean both, fine, but consider yourself fortunate as there are hundreds if not thousands of people who have intermittently NOT been able to disable ColorSync either when printing a profile target, or when printing prematched content, sometimes in both cases. This is not news. This has been happening for years. It's happened on Mac OS 10.3.x, 10.4.x, 10.5.x, 10.6.x, and can be version specific to the OS, the application and the print driver as to how exactly this lack of ColorSync disabling manifests itself. And not everyone has personally experienced every case. I know some people too who have not been bit by any of these problems and have always had reliable printing from Mac OS. But in my estimation this is rare for those with more than one machine, and keep their OS, applications, and print drivers constantly up to date - you're just bound to run into some snag at some point.
> What I could not always do is turn off CM with some drivers from the same app at the same time. PSCS4 for an example I could always "turn off color management" with the Canon printer driver if PSCS4 was listed in it's special casing file, but with the 6.XX drivers for the Epson 9600 I could not "turn off color management" off in the driver. with the release of the 8.xx drivers I could "turn off color management" in the driver.
Yes, and while I have given Epson push back on the conformance of the drivers to following the rules, quite frankly I think the rules are overly complicated. I do not think Epson's driver coders are incompetent but even if we say they are intermittently competent I will still argue that the architecture on Mac OS is simply too complicated. Epson manages to not have these sorts of problems on Windows. Canon manages to not have these problems on Windows. HP manages to not have these problems on Windows. ALL THREE OF THEM have had various problems with the printing architecture on Mac OS. Exhibits A, B, C and D.
>
> Let me make this clear when choosing PS manages color the choice was made for me. Above I am referring to the "turn off color management" in the PS print dialog and then again being able to make that choice in the driver.
OK even when you had the "No Color Management" option in Photoshop, all you were assured that was disabled was ACE. The indirect harpsichord playing the Four Seasons on a Sunday at 3:05pm method of disabling ColorSync via null transforms was still how ColorSync was being "disabled". And it's possible for ColorSync to still color manage one or more objects anyway.
And I'm not even convinced some (of the multitude) of problems we've had with printing on Mac OS X weren't the result of null transform bugs, where we should have gotten a null transform but in fact got some torquing of one or more primaries.
Chris Murphy _______________________________________________
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