Re: Workflow for ‘remote’ profiling a non-colormanaged printer as a ‘back-box’
Re: Workflow for ‘remote’ profiling a non-colormanaged printer as a ‘back-box’
- Subject: Re: Workflow for ‘remote’ profiling a non-colormanaged printer as a ‘back-box’
- From: Scott Martin via colorsync-users <email@hidden>
- Date: Thu, 15 Jul 2021 20:42:20 +0100
> On Jul 15, 2021, at 2:16 PM, Miles, Peter <email@hidden> wrote:
> Our staff member is not sure other than it’s a vinyl ‘banner’ printer. I am
> guessing some kind of grand format inkjet. He says the media for this printer
> is about 3 meters wide...
Ah so it’s a UV Curable or Solvent printer. Excellent. Yes, so it’s managed as
CMYK(+) through a RIP.
This means that any attempt to profile it on your end would account to “double
profiling” and could only hurt image quality.
They have ink restrictions, a linearization, total ink limit settings and an
ICC profile that are possibly less than optimal. UV is easy to calibrate while
Solvent and Dyesub processes are particularly tricky to set so people often put
up with surprisingly sub-optimal results. I created the ChromaMax calibration
methodology so one can hit the nail on the head with these settings every time
without guesswork. Aside from offering to send in someone to dial in and
optimize their process, you’re stuck with the limits of their process and
calibration.
My recommendation is to take an evaluation image (mine or your favorite) and
make several versions of it in (sRGB, AdobeRGB, ProPhotoRGB, SWOP CMYK, etc)
with some text in the file indicating the version. Print them all and see which
looks the best. This also helps understand how their RIP settings are handling
color management, IE: if it is honoring the embedded profiles or not. If they
all look horrific they could be used to start a calibration conversation.
And of course you can repeat this test with multiple print vendors and make an
informed decision about which one to choose.
All the best
Scott Martin
www.on-sight.com
Imaging Science for Art
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