Adobe InDesign - Manual (Page 722)

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2. Set overprint options.
3. Create trapping instructions to compensate for misregistration on press.
4. Preview color separations on your screen.
Steps 1–4 are recommended but not required in producing color separations.
5. Choose File > Print to display the Print dialog box.
6. If you’ve created a printer preset with the appropriate separation settings, select it in the Print Preset menu at the top of the Print dialog box.
7. Choose a printer or PostScript file in the Printer menu.
8. If you’re printing to a PostScript file, choose the PPD for the device that will output the separations.
9. To view or change existing print options, click a section name on the left side of the Print dialog box.
10. Before you deliver your document to a service provider, proof the separations.
11. Print or save separations.
Outputting spot colors
You can use custom inks, called spot colors, in addition to, or in place of, process colors. For example, instead of using the four process colors to
reproduce artwork consisting of black text and bluish-green line drawings, you could use two spot colors—one of black, and one representing the
exact shade of green. You can also use spot color inks to produce colors not reproducible by CMYK inks, such as varnishes or fluorescent and
metallic colors. In addition, you can mix two or more spot colors together or mix spot colors with process colors to create mixed inks.
You can color artwork with process colors, spot colors, or a combination of both. When printing separations, you can convert spot colors to their
process color equivalents so that they will be printed on the CMYK plates.
View the process color equivalents of a spot color
1. Select the spot color in the Swatches panel.
2. Choose CMYK in the Color panel menu.
The CMYK equivalent values for the spot color are displayed in the Color panel.
You can also hold the pointer over the spot color in the Swatches panel. The formula for the color will appear in the tool tip.
Print an object on all color plates
If you want an object to print on all plates in the printing process, including spot color plates, you can apply registration color to the object.
Registration color is used for crop marks and trim marks. For composite output, objects with registration color applied will print as C 100, M 100, Y
100, and K 100. For separations, these objects will print as 100% on each plate.
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