Photoshop to Acrobat

[davidjo79]

I scanned the guts of a book in black and white. Next i brought those pages in to Photoshop, cleaned them up, and changed some of the text to red. Finally, I exported PDFs for printing. What do I need to do so I can change the CMYK formula of the red text in Acrobat later if I need to? I've tried putting the red and black on different layers but neither PDF tool box nor pitstop will work. Can you convert a marqueed selection to shapes in photoshop? Or is there another way I should do this?

[JJLAPIN]

If you have Acrobat Pro you can select and edit your image using Photoshop.

[davidjo79]

Its a 48 page book so it would be nice to make the change globally instead of one page at a time.

[JJLAPIN]

You could break your Colored Type out as a Spot Channel and then change it in Pitstop.

[abailescollins]

As it's an image the only way you can do this is via color curve correction.

You can do this in PitStop by making a color curve action that changes the magenta/yellow separations (the red), and ignoring the K (Black).
Make a curve, test it, when you are happy run it on the whole PDF.