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Weekly Chatter:ACR Color Space?
Monday September 20, 2004
by Imaging Revue Experts and Staff

Each and every week, Imaging Revue offers non-members a tantalizing taste of the information available in our forums. Make sure to check out the entire list.

Weekly Chatter:Win XP Service Pack 2
Monday September 13, 2004
by Imaging Revue Experts and Staff

Each and every week, Imaging Revue offers non-members a tantalizing taste of the information available in our forums. Make sure to check out the entire list.

Unsharp Mask Demystified
Thursday September 9, 2004
by Ellen Anon

"Ask any number of digital photographers the settings they use in Photoshop’s Unsharp Mask filter (USM) to sharpen their images and that’s the number of different responses you are likely to get. Because of this a significant number of people turn to plug-ins to do their sharpening for them. However once you understand the basic principles involved in using the USM it is fairly easy to make it work predictably and effectively."

Weekly Chatter:External hard drive recommends
Tuesday September 7, 2004
by Imaging Revue Experts and Staff

Each and every week, Imaging Revue offers non-members a tantalizing taste of the information available in our forums. Make sure to check out the entire list.

ImagePrint 6 Notes
Thursday September 2, 2004
by Mitch Alland

I am pleased to see that the new ImagePrint manual for v6 is a great improvement over earlier versions and is, in fact, excellent. The extensive Troubleshooting Guide section is a good addition. Also, as program installation has been simplified, I believe that most questions on IP problems that come up on online forums can now be answered by suggesting, in the best Unix tradition, that the user "look it up in the manual...." These notes are based on ImagePrint 6 build 1.08. If you are using a later build some of the issues and glitches discussed below may have been fixed, as ColorByte is aware of all of them.

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Color Management/WorkFlow > Workflow > Profiling Papers under Mac 10.3.2

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AuthorSubject: Profiling Papers under Mac 10.3.2   [Go to Bottom of Page]
Jon Roemer
Posted on Mon Jan 12, 2004 4:09 PM

This is a follow up of sorts to my posts about creating paper profiles via the i1 TC 9.18 RGB Testcharts and Pather vs. Jaguar.

My question ties into the fact that under Panther Colorsync is always on. Given that should one print the test charts any differently? SOP has been to open the test chart file into PS with "no color management", print with preview "same as source", make sure the printer driver is set to "no color adjustment", paper type selected, etc.

Today I got this from tech support at Chromix who got it direct from Apple/Colorsync about Panther and Colorsync:

"ColorSync is always on in any print path, and uses an input and an output profile. Always. Now, with the newer gimp-print style drivers, which Apple is now instructing all vendors to go to, each device with a driver registers 2 profiles with ColorSync: One is the Factory set profile and the Current profile. By default, these are the same unless you change the Current profile. ColorSync *will* apply these profiles. You can't stop it except in one case: If the input and output profiles are the same, ColorSync will go "hands off" and keep put of the print path.

So what this means for profiling is that if you want to print a target, you need to find the Current profile for the printer you're profiling and assign that profile to the target (not convert, as I'm sure you know).... On top of that, when using an older style "Tioga" driver (which I'm sure includes all the Epson drivers), the behavior is unpredictable - Apple has no idea what that driver will do. So for consistency and predictability you *do* want to use the gimp-print drivers after all."

So should the test charts actually be printed differently? - find the "current profile" via the Color Sync Utility, assign that and then proceed?

I have an Epson 1270 and a 7600 and both show a factory and a current profile when looked at in the ColorSync Utlity>Devices. These are the Epson drivers. Does that mean that they are not the Tioga style driver? If one were to proceed with Apple/Colorsync's instructions above which "current" profile would be used? For example an Epson 7600 has a "current standard profile" and then "current profiles" that are tied into paper choices.

I have followed up with Chromix and they are waiting to hear from Apple but I was curious to know where the IR Experts fall on this. Chromix did tell me that they were going to dig deeper but that if what I was doing now was working (the old SOP) then don't fix it.

What is the IR's views on the Gimp-Print driver that is built into the Mac OS? It did not look full featured enought to me and since it kept installing itself whenever a USB Epson printer was attached - I was annoyed and removed all of them (Gimp-Print has a utility on it's site for removing their drivers that are within Panther).

Thanks,
Jon Roemer
www.jonroemer.com


... this thread contains expert advice from Jeff Schewe and Andrew Rodney.




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