Adobe 5.5 Design Standard Manual de usuario descargar pdf (Pagina 97)

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Adobe Creative Suite 5 Printing Guide 95

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Illustrator CS5 can create Adobe PDF files directly, without the need to

generate PostScript and process it through Distiller. To create a PDF

from an Illustrator file, choose File > Save As and choose Adobe PDF for

the format. The options you choose depend on the ultimate purpose of

the PDF. For example, a PDF to be used for customer reviews can

contain lower-resolution image content than a PDF intended to be

submitted to a RIP. Illustrator ships with seven PDF presets, but you can

create, save, import, and export your own custom PDF presets.

Note that, while Illustrator provides options to add security to a PDF as

it is created, many workflow components such as RIPs and imposition

software will reject a PDF with security. Password protection may be

appropriate in PDFs containing sensitive content that you send to

customers, but such security settings are usually problematic in a print

workflow. For more information on PDF settings, see the “Common

Resources” chapter earlier in this document, and the Acrobat X Pro

chapter later in this document.

Illustrator default preset

The default PDF preset creates a very flexible PDF. It can be opened by

Acrobat and Reader version 6 and above and reopened in Illustrator if

necessary. Its options include:

•Compatible with Acrobat 6: May not be appropriate for some older

RIPs and workows that do not accept later versions of PDF. Transpar-

ency is not aened.

•Preserve Illustrator Editing Capabilities: Includes the complete

Illustrator le within the PDF, which allows the le to be safely re-

opened in Illustrator for editing. is option can substantially increase

le size, and should be checked only if you intend to allow round-trip-

ping of the le back into Illustrator.

•Embed Page umbnails: Because Acrobat automatically creates

thumbnails when opening a PDF, there is no advantage to enabling

this option.

•Create Acrobat Layers from Top-Level Layers: Allows you to main-

tain layers in the PDF, if your workow supports Acrobat 6-compatible

les.

•Compression: Compresses image content using ZIP (lossless) com-

pression but does not downsample the image.

Other PDF creation presets

Illustrator CS5 also includes presets shared with other Creative Suite 5

components, including High Quality Print, Press Quality, PDF/X1a,

PDF/X-3, and PDF/X-4 options. For descriptions of the features of these

PDF presets, see the “Common Resources” chapter earlier in this

document.

Note that, by default, bleed is not included when you choose the PDF/X-

1a preset. Consider starting with the PDF/X-1a preset, then setting the

bleed value under Marks and Bleeds, and save this custom preset for

future use when you want to create a PDF/X-1a-compliant PDF

including bleed.

Including Bleed in PDFs

Bleed is not included by default when saving an Illustrator le as a PDF. Be sure to check the

correct options under Marks and Bleed.

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