CMYK separation in exported PDF file

[affi.usr]

When I make some stuff for printing like DL brochures I need make special PDF for it. Each page was in particular CMYK color - Cyan Magenta Yellow Black (K). When printing machine started offset printing first print Cyan part of my PDF, next Magenta stuff etc. It was simple for printer get info from Cyan page and calibrate print to set how many ink of cyan it will be use, nett Magent etc.

 

In old version In Design was this feature. Simple check option and get output PDF file with seperated CMYK pages.

 

I think it would be great function for a lot of people. On digital printing CMYK/RBG all in one page is not make a difference, but in offset when machine print each value of colors based on color matrix it speed up a process. I have not experience with Panteone colors. I know only in that type offset printer it needed C, M, Y, K color matrix and for each Panteone seperate too, so I think in that type of PDF it should be added too but I'm not sure. As I write I make CMYK files for offset but without Panteone, becase of cost of print.

 

In my opinion it will be usefull option for AD and AP.

[MikeW]

I would very much welcome host-based separations for AD as well. I only need it for screen printing, though.

 

All the major applications have moved to a modern work-flow of in-RIP separations (something which AD isn't actually capable of) and all modern RIPs deal with the separations and trapping these days (though I still manually trap screen printing jobs).

 

In reality, host-based separations are only viable with older RIPs and producing one's own film. I don't know how many people would really use this feature. I know I have (very) unsuccessfully lobbied Quark for a return to host-based separations since they dropped it in version 10. Adobe will never go back, either.

 

Mike