Re: Printing Lab from Photoshop
Re: Printing Lab from Photoshop
- Subject: Re: Printing Lab from Photoshop
- From: Marco Ugolini <email@hidden>
- Date: Mon, 06 Jul 2009 22:10:28 -0700
- Thread-topic: Printing Lab from Photoshop
In a message dated 7/6/09 1:16 PM, Ken Fleisher wrote:
> If you have an image in Lab colorspace instead of RGB and you print from
> Photoshop with ³No Color Management², what values are sent to the print
> driver? How are the printer colors determined?
Ken,
>From what I know, Epson's drivers for their inkjet printers work like an RGB
"black box" (with no direct access to its inner workings). With "no color
management" selected (in both Photoshop and the driver's own controls), my
guess would be that a conversion is taking place inside the driver itself
from the non-RGB source space (Lab included) to the driver's own device RGB
space. I'm not exactly sure how that is effected, though I'm pretty sure
that the driver functions as an RGB unit. Also, I do not think that the
conversion takes place in the application itself (be it Photoshop or another
one)
If the source space is already RGB, I would think that, with "no color
management" selected, the numbers go straight through without conversion --
similarly to what would happen in Photoshop by *assigning* a profile.
Marco Ugolini
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