Henry, this is a link to the Ignore EXIF Utility for Photoshop 7.0, Windows version. I wasn’t sure which platform you’re running. This applies primarily to problems with a color shift of images from a digital camera, so I don’t know whether or not it will apply in your case.
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http://www.adobe.com/support/downloads/detail.jsp?ftpID=1881>
If you run a Mac, go to Google and type in ‘EXIF Utility Adobe Mac’ and you should be given links to that download.
Have you tried deleting Preferences, as Brent suggested in one of the early posts on this thread? The only other thing I can think of is that one of the colors in your ink cartridge(s) could be gone. I get some very strange tinges in color from my printer when I’m running low. Did you check the ink supply?