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Re: Who's right? I stopped trying to figure out
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Re: Who's right? I stopped trying to figure out


  • Subject: Re: Who's right? I stopped trying to figure out
  • From: Bob Rushing <email@hidden>
  • Date: Sat, 05 Jun 2004 07:00:15 -0400

I use the setup similar if not identical to what you describe. My observation has been the same as yours with the color meter built into PS and OS X. Actually you have achieved closer number than I could ever get. As for the 2200 in preview - ditto. As a matter of fact when I observe the magenta cast in either preview or the 'Save As PDF' option - I've gotten so use to it that that's how I know it will print correctly on my 2200. No joke. If my preview looks correct on the monitor it will print greenish. If my preview looks magenta, it prints correctly. If I forget to turn off color management in the Epson driver the print prints with the magenta cast!

I have experimented, kept notes in a note book which by the way is full of my own 'how to do's without wasting time, ink and paper', printed examples and mounted them in the notebook as examples for my how-to's. The manuals that come with these products are too clumsy and so dry that reading them causes ones eyes to fall out of one's head and their support leaves much to be desired so I have come to the conclusion that I'm on my own. So this is how I've made my setup work. I have learned to live with the magenta cast. It is my friend now (I'm being sarcastic) because without it, my setup doesn't print correctly. Just exactly why this is I couldn't tell you. I don't have the time to sit and futz around with things. If I would guess as to what is causing the magenta cast, I would postulate that I know I'm converting my document into the printer space (my particular work flow) in PS, not in the printer driver. So I can only guess that this is why the magenta cast. Next, the magenta cast document gets sent to the printer driver already converted into the printer space. Since no color correction is set in the printer driver , it prints correctly. from what I gather, you can never turn off ColorSync so apparently it's always doing something and it's real easy to ColorSync a document twice.. Huh? It's just my guess. . . . .

If you shave you head as I have done, you can't pull your hair out of your head when things don't work! Have fun.

rushman


roberto diego torrado wrote:

Hello,

After reading the paper "Color Management in Mac OSX" I finally got the idea behind the ColorSync filters. So far so good. Alas when I apply (in Preview) a filer for the Epson 2200 EnhancedMatte@2880 with intent relative, and the same setting in PS7 (black point compensation on), the respective soft proofs didn't match!. Certainly not by much but real.

Digital color measure reports:

PS7:
R: 232,102
G: 147,2245
B: 123,5102

Preview:
R: 211,6122
G: 139,6122
B: 116,1225

The source is an untagged RGB file. Who's right?

Also, when using Preview from PS before sending to print, when I use a tagged or untagged source and any of the Epson profiles, Preview shows the colors completely off (kind of magenta invasion). This remember me my early days with the Epson 2200 (under Windows) when I thought the preview of the Epson driver has any value beyond showing merely where on the page the image is going to be printed. But this time the warning is real! you're bounded to disaster if you hit the print button.

This behavior disappears when I use profiles with names like EP2200AMPEPNLHQST.ICM but can't find the media for which they are intended. Their space is CMYK which drive me crazy. Didn't the ink-jet raster printers be better "profiled" (characterized) as RGB devices?

It seems there are a lot of chapters of "color management" I missed...

Thanks,
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  • Follow-Ups:
    • Re: Who's right? I stopped trying to figure out
      • From: Chris Murphy <email@hidden>
References: 
 >Who's right? (From: roberto diego torrado <email@hidden>)

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