Re: colorsync settings
Re: colorsync settings
- Subject: Re: colorsync settings
- From: joel <email@hidden>
- Date: Thu, 26 Sep 2002 09:43:27 -0500
John wrote:
Thought that I'd resubmit the following as I've had no replies, thanks.
I have just sent a Catalogue out for printing by a printer after first
printing it on our Phaser printer. The difference in colours makes me think
that my colorsync setup is not correct. My blue is going to print as an
almost black purple.
I have my devices setup as:
Input: srgb (for a Canon digital camera with no
specific color profile)
Display: my calibrated setup for my IBook LCD
screen
Output: Phaser 850 enhanced
Proofer: Phaser 850 enhanced
Documents profiles:
RGB : my calibrated setup for my IBook LCD screen
CMYK: Phaser 850 enhanced
Gray: Generic
Lab: generic
Looking at these settings makes me wonder if the document profiles are
correct, I can't find much information on how they relate to the workflow.
I can see how the devices profiles relate but I'm totally lost on the
document profiles.
Apple's documentation leaves a lot to be desired in how to set up the
document settings in particular.
Does anyone have some helpfull hints or a reference to a good layman's guide
on colorsync settings?
Of course I'll also have to review my photoshop and InDesign color
settings. What fun!!!
Sorry for the delay John. It's a busy time of year for everyone and
their own specialities.
ColorSync is a simple tool which:
A: allows the user to define a color source only for applications
which look to the system to define color source spaces (document
settings) and describe the color characteristics of devices and/or
destinations (device settings).
B: allows the user to create, save and export color workflow settings
which can be addressed by applications which support ColorSync.
C: and, of particular note, does not override your individual
application color settings.
Device Profiles are destination profiles for the most part (with the
exception of input):
Input: digital camera or scanner or other device input profile
Display: monitor profile
Output: final destination space
Proofer: proofing device
Document Profiles are source profiles:
RGB: RGB source colors and workspace
CMYK: CMYK source colors and workspace
Gray: grayscale source and workspace
Lab: Lab source and workspace
Your Device Output: Phaser 850 enhanced is a profile describing your
Phaser 850. Fine for Proofing, but it does not describe your ultimate
(press) destination.
Most users who do not have a profile for their final destination tend
to use profiles which average descriptions of like destinations such
as (for press) the US SWOP coated and uncoated Web family and
EuroScale coated and uncoated standards based family (both installed
with Adobe applications; EuroStandards based are also accessible from
ECI and FOGRA). Steve Upton's TR001 family of profiles are a
comprehensive set (
http://www.chromix.com/) .
If you are setting your source and destination (either inside of
outside of ColorSync) to a toner-based printer, it is likely your
results at press will be illogical.
Your RGB document source: is a profile describing your LCD monitor.
Use an actual RGB workspace profile like AdobeRGB or the like.
--
joel johnstone
Color Canuck
(Seeking an off switch to the perpetual motion machine)
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