Adobe InDesign - Manual (Page 772)

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2. Select or deselect the Negative option.
Checking separation and document settings
The Summary area of the Print dialog box displays a summary of color management information, printer’s marks dimensions, and bleeds for the
document. The section also indicates whether trapping has been enabled.
You can also perform a quality check before printing or handing off the document to a service provider.
Proofing color separations
Create a hard proof to verify that colors will print on the correct separations, or a soft proof to preview how your document’s colors will look when
reproduced on a particular output device.
While no proof will give you an exact representation of your final output, you can greatly improve its accuracy by calibrating all the devices
you use to create a document (such as scanners, monitors, and printers). If the devices are calibrated, the color management system can help you
get predictable and consistent color.
The hard proof represents your expectation of the way the final separations will appear, and helps the service provider to verify that the output is
correct. Be sure to print proofs on a PostScript printer; you cannot reliably proof color separations printed from a non-PostScript printer.
For assurance that the file will print correctly, consider saving the separations as a PostScript file, converting the PostScript file to Acrobat 8
PDF using Acrobat Distiller, and then viewing the PDF document in Acrobat. By viewing the PDF document in Acrobat, you can inspect high-
quality PostScript output on-screen at a high level of detail.
Producing in-RIP separations
To produce in-RIP separations, you need the following software and hardware:
A PPD file that supports in-RIP separations.
Any PostScript 3 output device, or a PostScript Level 2 device whose RIP supports in-RIP separations. If the document contains duotones
from Photoshop 5.0 or later, a PostScript 3 device is required to generate in-RIP separations.
Depending on the prepress software available, a service provider may be able to perform such prepress activities as trapping, imposition,
separating, and OPI replacement at the output device’s RIP. Therefore, your service provider may prefer to receive a composite PostScript file of
the document optimized for in-RIP separations, rather than a preseparated PostScript file.
Print or save separations
1. At the top of the Print dialog box, choose a preset in the Print Preset menu, if one with the appropriate separation settings exists.
2. Do one of the following:
To print to an output device, choose the device in the Printer menu.
To print to a file, choose PostScript® File in the Printer menu. Then choose a PPD that supports the output device.
3. Click General, and specify the pages to separate.
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