Print color separations
1.Choose File > Print.
2.Choose the output device and click Advanced.
3.In the Output panel, choose Separations from the Color menu.
4.Choose a CMYK profile from the Printer Profile menu.
5.In the Marks and Bleeds panel, select All Marks.
6.In the PostScript Options panel, choose the PostScript language level of the output device from the Print Method menu.
7.Choose any other print options, and then click OK.
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Preview color separations

Print Production
Preparing color separations in complete Help
Printing color separations in complete Help