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USING ACROBAT X PRO
Preflight
Last updated 10/11/2011
Identifying aspects of a PDF that are not ideal, such as the inadvertent embedding of a font because of an unnoticed
space character on a master page, or cropped images with extraneous image data, or objects that are not of the
expected type (such as type or vector objects converted to images or merged with an image).
Providing additional information about an object besides its presence. For example, by locating a spot color in the
inventory report, you can determine whether it is used by itself or in combination with other colorants, such as in
a duotone image. Or you can determine which glyphs in a font are embedded, what they look like, and which
character they are supposed to represent. This information can help you resolve a missing-glyph error.
Exploring XMP metadata embedded with the file, such as its author, resolution, color space, copyright, and
keywords applied to it. This information is stored in a standardized way using the Extensible Metadata Platform
(XMP) standard.
Create an inventory of PDF content
1 In the Preflight dialog box, choose Create Inventory from the Options menu.
2 Select the types of objects and resources you want included in the inventory. In addition to fonts, colors, images,
and so on, you can include the following information:
Form XObjects Objects that are referenced within a PDF. For example, if a PDF contains many occurrences of the
same object, it exists as a single resource that is referenced many times.
Include XMP Metadata Includes information embedded in the PDF that can be used by an XMP-enabled application
or device in the workflow. This information can include meaningful descriptions and titles, searchable keywords, the
author’s name, and copyright information. If you select Include Advanced Fields, you can include the fields and
structures used for storing the metadata using namespaces and properties. This advanced information appears as a
text-based tree view of all the XMP data in the PDF, both for the document as well as for those images in the PDF for
which XMP metadata is present.
Note: You can also view the metadata for the PDF document as a whole in the Document Properties dialog box. Choose
File > Properties, click the Description tab, and then click Additional Metadata. To see the advanced fields, click
Advanced from the list on the left.
3 (Optional) Save the report.
Advanced inspections
Viewing preflight problems inside the PDF structure
For detailed information on PDF structure, see the documents on the Adobe PDF Technology Center at
www.adobe.com/go/learn_acr_pdftechnology_en (English only). If you have advanced knowledge of the PDF file
format, examine the internal structure of the PDF and its fonts for technical reasons for a preflight mismatch. Preflight
includes three options for in-depth inspection of a PDF. Technically skilled users can use these tools to analyze the
objects and fonts that caused a mismatch.
In-depth knowledge of font internal structures, and font specifications for Type 1, TrueType, and OpenType fonts is
important. The font specifications are listed in the bibliography of the guide.
Note: You can navigate the PDF and fonts in the windows that appear, but you can’t edit the PDF structure or fonts.
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