Come to think of it, the mapping of the black point may not be the work of the profile so much as the operating system? Roger -----Original Message----- From: argyllcms-bounce@xxxxxxxxxxxxx [mailto:argyllcms-bounce@xxxxxxxxxxxxx] On Behalf Of Roger Breton Sent: August-06-11 7:05 AM To: argyllcms@xxxxxxxxxxxxx Subject: [argyllcms] Re: RGB Printer Profiling / Issues with Blacks and Shadows It is clear to me that the iMatch profile black point is mapped to a "relative" black point, otherwise it would not reach all the way to the bottom as shown? Roger