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            <div class="InDesign"><table><tr><td class="banner">InDesign CS4</td><td class="pod"><img src="images/PDF.gif" width="16" height="16" hspace="15" valign="50%" />&#160;&#160;
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                <h1>
                    About PDF print publishing tools
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                <div><p>In some print publishing workflows, documents
are distributed in the format of the authoring application (called
the <dfn class="term">native</dfn> format). Once approved, the files are saved
in PostScript or a proprietary format for prepress work and final
printing. Because applications generate PostScript in many different
ways, PostScript files may be arbitrarily large and complex. In
addition, reliability problems such as missing fonts, corrupt files,
missing graphic elements, and unsupported features can result at
output time. In response, Adobe and its partners continue to create reliable,
PDF-based publishing workflow solutions. </p>
<p>From InDesign, you can export your document to a composite PDF
file called a <dfn class="term">digital master</dfn>. These digital masters
are compact, reliable files that you or your service provider can
view, edit, organize, and proof. Then, at the appropriate time in
the workflow, your service provider can either output the PDF directly,
or process it using tools from various sources for post-processing
tasks such as preflight checks, trapping, imposition, and color
separation.</p>
<div class="section"><h4 class="sectiontitle">PDF files in the workflow</h4><p>Many large publishers
use PDFs to streamline their review and production cycles. For example,
numerous magazines and newspapers have adopted PDF as the standard
format for delivering advertisements to local publishing offices
via satellite or ISDN lines. PDFs enable local publishers to instantly
view an advertisement exactly as it was designed, make late-stage
text edits, and reliably print from any computer.</p>
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<div class="section"><h4 class="sectiontitle">PDF workflow technologies and requirements</h4><p>Adobe
is continually addressing the workflow needs of service providers,
and recommends that you visit the Adobe website at <a href="http://www.adobe.com" target="_blank">www.adobe.com</a> often
for the latest developments. Currently, Adobe addresses publishing
workflow needs by providing an integrated system of several technologies:</p>
<ul><li><p>Adobe Acrobat&#160;9, with its support for Adobe PDF
version 1.7.</p>
</li>
<li><p>Adobe PostScript 3 printing technology, for device-independent
support, Adobe In-RIP Trapping, in-RIP color separations, and smooth
blends.</p>
</li>
<li><p>Adobe InDesign CS4, with its high-resolution page layout
capabilities and direct PDF processing.</p>
</li>
<li><p>PDF/X, an ISO standard for graphic content exchange that
eliminates many of the color, font, and trapping variables that
lead to printing problems.</p>
</li>
</ul>
<p>A high-resolution composite
PDF workflow typically includes a PostScript 3 output device whose
RIP supports in-RIP separations. Therefore, if your output device
uses PostScript Level 2 or does not support in-RIP separations,
use a preseparated PostScript printing workflow. </p>
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