User manual

Advanced options
The Advanced options specify which Document Structuring Conventions (DSC) comments
to keep in an Adobe PDF file and how to set other options that affect the conversion from
PostScript. In a PostScript file, DSC comments contain information about the file (such as
the originating application, the creation date, and the page orientation) and provide
structure for page descriptions in the file (such as beginning and ending statements for a
prologue section). DSC comments can be useful when your document is going to print or
press.
When you work with the Advanced options, it is helpful to have an understanding of the
PostScript language and how it is translated to PDF. See the PostScript Language
Reference, Third Edition (Addison-Wesley) and the PDF Reference, Fifth Edition, Version
1.6 at http://partners.adobe.com/links/acrobat (English only) on the Adobe website.
Note: The ASCII Format option has been removed from Distiller, but is still available as a
Distiller parameter. For details, see the Acrobat Distiller Parameters manual at http://
partners.adobe.com/links/acrobat (English only) on the Adobe website.
Adobe PDF Settings dialog box with the Advanced panel displayed
Allow PostScript File To Override Adobe PDF Options
Uses settings stored in a PostScript file rather than the current PDF settings file. Before
processing a PostScript file, you can place parameters in the file to control compression of
text and vector objects, downsampling and encoding of sampled images, and embedding of
Type 1 fonts and instances of Type 1 Multiple Master fonts. For details, see the Acrobat
Distiller Parameters manual at http://partners.adobe.com/links/acrobat (English only) on
the Adobe website.
Allow PostScript XObjects
PostScript XObjects store fragments of PostScript code to be used when a PDF file is
printed on a PostScript printer. Such objects are sometimes used to achieve special results
on particular printers that cannot be achieved using normal PDF or printing methods.
PostScript XObjects are rarely needed and should only be used in controlled workflows
where there is no other option. PostScript XObjects are generated only if the PostScript
information contains instructions intended specifically for Distiller to make them. To
display this option, you must select either the Standard or Smallest File Size option from
the Default Settings menu.
Convert Gradients To Smooth Shades
Converts blends to smooth shades for Acrobat 4.0 and later, making PDF files smaller and
potentially improving the quality of final output. Distiller converts gradients from Adobe
Illustrator, Adobe InDesign, Macromedia Freehand, CorelDraw, Quark XPress, and
Microsoft PowerPoint.
Create Job Definition Format (JDF) File
Produces a standardized XML-based job ticket with information about the file for a
printing press.
Preserve Level 2 Copypage Semantics
Uses the copypage operator defined in LanguageLevel 2 PostScript rather than in
LanguageLevel 3 PostScript. If you have a PostScript file and select this option, a
copypage operator copies the page. If this option is not selected, the equivalent of a
showpage operation is executed, except that the graphics state is not reinitialized.
Preserve Overprint Settings
Retains any overprint settings in files being converted to PDF. Overprinted colors are two
or more inks printed on top of each other. For example, when a cyan ink prints over a
yellow ink, the resulting overprint is a green color. Without overprinting, the underlying
yellow would not be printed, resulting in a cyan color.
Overprinting Default Is Nonzero Overprinting
Prevents overprinted objects with zero CMYK values from knocking out CMYK objects
beneath them. This is accomplished by inserting the "OPM 1" graphics state parameter into
the PDF file wherever the "Setoverprint" operator is present.
Save Adobe PDF Settings Inside PDF File
Embeds the settings file used to create the PDF file. You can open and view the settings
file (which has a .joboptions extension) in the Attachments tab in Acrobat. (Choose View >
Navigation Tabs > Attachments.) The Adobe PDF settings file becomes an item in the
EmbeddedFiles tree inside the PDF file. For details, see the PDF Reference, Fifth Edition,
Version 1.6 at http://partners.adobe.com/links/acrobat (English only) on the Adobe website.
Save Original JPEG Image In PDF If Possible
Processes compressed JPEG images (images that are already compressed using DCT
encoding) without recompressing them. If this option is selected, Distiller decompresses
JPEG images to ensure that they are not corrupt, but it does not recompress valid images,
thus processing the original image untouched. With this option selected, performance
improves because only decompression, not recompression, occurs, and image data and
metadata are preserved.
Save Portable Job Ticket Inside PDF File
Preserves a PostScript job ticket in a PDF file. The job ticket contains information about
the PostScript file, such as page size, resolution, and trapping information, rather than
about content. This information can be used later in a workflow or for printing the PDF.
Use Prologue.ps and Epilogue.ps
Sends a prologue and epilogue file with each job. Prologue.ps files can be used to add
custom PostScript code that you want to have executed at the beginning of every PostScript
job being converted. This file can be used for many purposes, including adding a cover
page to a job or defining PostScript procedures for gathering statistics while a PostScript
job is executing. Epilogue.ps files can be used to add custom PostScript code that you want
to have executed at the end of every PostScript job being converted. This file can be used
for many purposes, including running PostScript procedures for summarizing and printing
job statistics collected during conversion.
Sample Prologue.ps and Epilogue.ps files are located in Documents and Settings\All Users
\Shared Documents\Adobe PDF 7.0\Data (Windows), and /Library/Application Support/
Adobe PDF/Data (Mac OS).
Note: Distiller processes prologue and epilogue files only if both files are present and
located properly. The two files must be used together. If the prologue and epilogue files are
at the same level as the In and Out folders of a watched folder, they are used instead of the
ones in the Distiller folder.
Convert Smooth Lines To Curves
Reduces the amount of control points used to build curves in CAD drawings, which results
in smaller PDF files and faster on-screen rendering. For detailed information about this
option, see the Acrobat Distiller Parameters manual at http://partners.adobe.com/links/
acrobat (English only) on the Adobe website.
Process DSC Comments
Maintains DSC (document structuring conventions) information from a PostScript file.
● Log DSC Warnings displays warning messages about problematic DSC comments during
processing and adds them to a log file.
● Preserve EPS Information From DSC retains information, such as the originating
application and creation date for an EPS file. If this is deselected, the page is sized and
centered based on the top left corner of the top left object and lower right corner of the
lower right object on the page.
● Preserve OPI Comments retains information needed to replace a For Placement Only
(FPO) image or comment with the high-resolution image located on servers that support
Open Prepress Interface (OPI) versions 1.3 and 2.0. For detailed information on OPI, see
http://partners.adobe.com/links/acrobat (English only) on the Adobe website.
● Preserve Document Information From DSC retains information such as the title, creation
date, and time. When you open a PDF file in Acrobat, this information appears in the
Document Properties Description panel (File > Document Properties > Description).
● Resize Page And Center Artwork For EPS Files centers an EPS image and resizes the page
to fit closely around the image. This option applies only to jobs that consist of a single EPS
file.