Datacolor User to User Support Group.

Thanks for the detailed info. That is sad indeed...

I'm reluctant to install Windows on my Macs, or go back to PC use and I don't have any older machines to use currently, although in a couple of years i guess I could revert my current Macbook Pro to an older OS, but it really seems kinda lame... What kind of 3rd party rip could I look at for my mac/printers, any idea on good ones?

By the way, should I use sRGB or Generic RGB for the patch printing workaround? If its sRGB, which one as there appear to be several with different numbers, etc., after them?

Best wishes,

James

On 5 Dec 2011, at 01:06, Cdtobie <CDTobie@...> wrote:

> >>How bizarre - could you explain what Canon said? What's Apple's reasoning, it sounds like you've probably spoken to them about it?
> 
> Apple changed their printing path some time ago. The new path has no way to bypass ColorSync, so all prints, including color targets and pre corrected images, get converted. The theory is that in such cases a "null transform" should be used, by setting the source and output profiles to the same profile. The real world situation is that this is unreliable; in any given instance, depending on the version of Photoshop, the version of the printer driver, or the phase of the moon, an undesired transform may occur. What is needed is a call to bypass ColorSync: a No Color Management call in the OS. This has been explained to Apple. They have not seen fit to provide this function. Therefore we are obliged to tell people that the only fully reliable printing solutions are Windows, an old Mac, with an old copy of Photoshop, and old printer drivers, or a third party RIP to bypass the RGB print path on a new Mac. So sad.
> 
> C. David Tobie
> Global Product Technology Manager
> Imaging Color Solutions
> Datacolor inc. 
> cdtobie@...
> www.datacolor.com
> 
> On Dec 4, 2011, at 7:24 PM, "james_whitehouse1@..." <james_whitehouse1@...> wrote:
> 
> > How bizarre - could you explain what Canon said? What's Apple's reasoning, it sounds like you've probably spoken to them about it?
>