Re: Cyan overlay when printing with Epson 3800
Re: Cyan overlay when printing with Epson 3800
- Subject: Re: Cyan overlay when printing with Epson 3800
- From: Martin Orpen <email@hidden>
- Date: Mon, 16 Jul 2012 15:21:41 +0100
On 14 Jul 2012, at 00:40, Steve Upton wrote:
> I'm just saying that it is entirely possible that GretagMacbeth (to be historically accurate) could make a perfectly compliant profile that could trigger a bug in a CMM, or a print driver, or how a print drive calls a CMM, etc. The fact that it occurs outside the image area is certainly an indication that it's a software bug rather than a profile bug. An ICC profile should in *no* way be able to affect the page area outside the image area. The driver's doing something odd there.
Not sure it has anything to do with the driver.
I just printed a test image from CS6 and it printed as expected - no cyan dot.
Printed from CS5 I'm getting the cyan dot in the null area using the Profilemaker profile and no cyan dot using an Argyll version of the data used to make the Profilemaker profile.
I paused the printer and copied the three files out of the spool queue. They look identical… until you open them up in Acrobat and press the "Simulate Paper White" checkbox in the Output Preview.
I can see that Photoshop CS5 is dumping PDFs in the spool queue that show a difference in colour between the white areas of the image and the non-printing areas!
It also looks to me as if CS5 does this with *all* jobs but, for whatever reason, Profilemaker profiles cause CS5's odd behaviour to appear in print.
Perhaps somebody who is running PS CS5 & CS6 on Snow Leopard could confirm the differences that I'm seeing in the spool files?
You'll find them here:
/private/var/spool/cups
You need to be root to get at them.
--
Martin Orpen
Idea Digital Imaging Ltd
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