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Advanced panel options
The Advanced options specify which Document Structuring Conventions (DSC) comments to keep in a PDF 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.
For more information, see the documents on the Adobe PDF Technology Center at
www.adobe.com/go/learn_acr_pdftechnology_en (PDF, English only).
Note: The ASCII Format option has been removed from Distiller, but is still available as a Distiller parameter.
Allow PostScript File To Override Adobe PDF Settings
Uses settings stored in a PostScript file rather than the current
PDF settings file. For more information about customizing PDF settings, see the SDK information on the Acrobat
Developer Center at www.adobe.com/go/learn_acr_devcenter_en (PDF, English only).
Allow PostScript XObjects
PostScript XObjects store fragments of PostScript code to be used when a PDF is printed
on a PostScript printer. Use only in controlled workflows where there is no other option. Available when the Standard
or Smallest File Size is selected from the Default Settings menu.
Convert Gradients To Smooth Shades
Converts blends to smooth shades for Acrobat 4.0 and later, improving quality
and reducing file size of PDFs. Distiller converts gradients from Adobe Illustrator, Adobe InDesign, Adobe FreeHand®,
CorelDraw, QuarkXPress, and Microsoft PowerPoint.
Convert Smooth Lines To Curves
Reduces the amount of control points used to build curves in CAD drawings, which
results in smaller PDFs and faster on-screen rendering.
Preserve Level 2 Copypage Semantics
Uses the copypage operator defined in PostScript Level 2 rather than in
Language Level 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. Overprint settings create
color by printing one ink on top of another ink.
Overprinting Default Is Nonzero Overprinting
Prevents overprinted objects with zero CMYK values from knocking
out CMYK objects beneath them.
Save Adobe PDF Settings Inside PDF File
Embeds the settings file (.joboptions) used to create the PDF as an
attachment. (To view the settings file, choose View > Show/Hide > Navigation Panes > Attachments in Acrobat.)
Save Original JPEG Image In PDF If Possible
Processes compressed JPEG images (images that are already compressed
using DCT encoding) without recompressing them. When deselected, performance improves because only
decompression, not recompression, occurs.
Save Portable Job Ticket Inside PDF File
Preserves a PostScript job ticket in a PDF. Job tickets describe the PostScript
file and 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. These files can be used to add
custom PostScript code that you want to have executed at the beginning or end of every PostScript job being converted.
Sample Prologue.ps and Epilogue.ps files are located in (Windows) /Documents and Settings/All Users/Application
Data/Adobe/Adobe PDF/Distiller/Data, (Vista) /Users/All Users/Adobe/Adobe PDF/Distiller/Data, or (Mac
OS)/Library/Application Support/Adobe/Adobe PDF/Distiller/Data.
In Windows Explorer, the Application Data folder is typically hidden; to make it visible, choose Tools > Folder Options,
click the View tab, and select Show Hidden Files And Folders. Or, you can type the path into the Address text box.
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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.
Process DSC Comments
Maintains DSC 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 for an EPS file, such as the originating application and
creation date.
•
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
more information, see the OPI 2.0 specification at www.adobe.com/go/learn_acr_opi2spec_en (PDF, English only).
•
Preserve Document Information From DSC
Retains document properties, such as the title, creation date, and time,
in the PDF.
•
Resize Page And Center Artwork For EPS Files
Centers an EPS image and resizes the page to fit closely around the
image. If deselected, the page is sized and centered based on the upper left corner of the upper left object and lower
right corner of the lower right object on the page. This option applies only to jobs that consist of a single EPS file.
Standards panel options
By using Standards options, you can check document content in the PostScript file to make sure it meets standard
PDF/X1-a, PDF/X-3, or PDF/A criteria before creating the PDF. For PDF/X-compliant files, you can also require that
the PostScript file meet additional criteria by selecting options in the Standards panel. The availability of options
depends on the standard you select. You can also create a PDF/X file from a compliant PDF by using the Preflight
feature in Acrobat.
PDF/X-compliant
Complies with the PDF/X standard for high-resolution print production.
Note: PDFMaker, the conversion method used to convert Microsoft Word and other application files to PDF, does not
create PDF/X-compliant files.
PDF/A-compliant
Complies with the PDF/A standard for archival documents.
Note: If you set up a watched folder for creating PDF/A-compliant files, do not add security to the folder. The PDF/A
standard does not allow encryption.
Compliance Standard
Produces a report that indicates whether the file complies with the standard you select, and if
not, what problems were encountered. The .log file appears at the bottom of the dialog box.
Note: PDFs that complied with both PDF/X-1a and PDF/X-3 standards in Acrobat 6.0 default to PDF/X-1a in Acrobat X.
When Not Compliant
Specifies whether to create the PDF if the PostScript file does not comply with the requirements
of the standard.
•
Continue
Creates a PDF even if the PostScript file doesn’t meet the PDF/X requirements and notes these problems
in the report.
•
Cancel Job
Creates a PDF only if the PostScript file meets the PDF/X requirements of the selected report options,
and is otherwise valid.
Report As Error
Flags the PostScript file as noncompliant if one of the reporting options is selected and a trim box or
art box is missing from any page.
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Creating PDFs
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Set TrimBox To MediaBox With Offsets
Computes values for the trim box based on the offsets for the media box of
respective pages if neither the trim box nor art box is specified. The trim box is always as small as or smaller than the
enclosing media box.
Set BleedBox To MediaBox
Uses the media box values for the bleed box if the bleed box is not specified.
Set BleedBox To TrimBox With Offsets
Computes values for the bleed box based on the offsets for the trim box of
respective pages if the bleed box is not specified. The bleed box is always as large as or larger than the enclosed trim
box. This option uses the units specified on the General panel of the Adobe PDF Settings dialog box.
Output Intent Profile Name
Indicates the characterized printing condition for which the document has been prepared,
and is required for PDF/X compliance. If a document doesn’t specify an output intent profile name, Distiller uses the
selected value from this menu. If your workflow requires that the document specify the output intent, choose None.
Output Condition Identifier
Indicates the reference name that is specified by the registry of the output intent profile
name. For more information, click the question mark next to the option.
Output Condition
Describes the intended printing condition. This entry can be useful for the intended receiver of the
PDF. For more information, click the question mark next to the option.
Registry Name (URL)
Indicates the web address for finding more information about the output intent profile. The URL
is automatically entered for ICC registry names. The registry name is optional, but recommended. For more
information, click the question mark next to the option.
Trapped
Indicates the state of trapping in the document. PDF/X compliance requires a value of True or False. If the
document does not specify the trapped state, the value provided here is used. If your workflow requires that the
document specify the trapped state, choose Leave Undefined.
PDF compatibility levels
When you create PDFs, you need to decide which PDF version to use. You can change the PDF version by switching
to a different preset or choosing a compatibility option when you save as PDF or edit a PDF preset.
Generally speaking, unless there’s a specific need for backward compatibility, you should use the most recent version
(in this case version 1.7). The latest version will include all the newest features and functionality. However, if you’re
creating documents that will be distributed widely, consider choosing Acrobat 5.0 (PDF 1.4) or Acrobat 6.0 (PDF 1.5)
to ensure that all users can view and print the document.
The following table compares some of the functionality in PDFs created using the different compatibility settings.
Note: Acrobat 8.0 and 9.0 also use PDF 1.7.
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Share custom PDF settings
You can save and reuse your own Adobe PDF preset definitions. You can also share a custom preset by sending a copy
of the resulting file to other users. Those users can then add it to the Distiller applications installed on their own
computers.
PDF settings files have the extension .joboptions. Custom preset files are stored in the following locations.
• (Windows XP) Documents and Settings/[username]/Application Data/Adobe/Adobe PDF/Settings
• (Vista/Windows 7) Users/[username]/AppData/Roaming/Adobe/Adobe PDF/Settings
• (Mac OS) User/[username]/Library/Application Support/Adobe/Adobe PDF/Settings
❖
To add a custom PDF settings file to the menu, do one of the following:
• Drag the .joboptions file onto the Distiller window.
• In Acrobat Distiller, choose Settings > Add Adobe PDF Settings, browse to the copied .joboptions file, select it, and
click Open.
The settings file appears as the selected option in the Default Settings menu.
Compressing and downsampling images
When converting PostScript files to PDF, you can compress vector objects (such as text and line art) and compress and
downsample images. Line art is described with a mathematical equation and is usually created with a drawing program
such as Adobe Illustrator. Images—whether color, monochrome, or grayscale—are described as pixels and are created
with applications like Adobe Photoshop or by scanning. Monochrome images include most black-and-white
illustrations made by paint programs and any images scanned with an image depth of 1 bit.
Acrobat 3.0 (PDF 1.3)
Acrobat 5.0 (PDF 1.4)
Acrobat 6.0 (PDF 1.5)
Acrobat 7.0 (PDF 1.6) and
Acrobat X (PDF 1.7)
PDFs can be opened with Acrobat
3.0 and Acrobat Reader 3.0 and
later.
PDFs can be opened with Acrobat
3.0 and Acrobat Reader 3.0 and
later. However, features specific
to later versions may be lost or not
viewable.
Most PDFs can be opened with
Acrobat 4.0 and Acrobat Reader
4.0 and later. However, features
specific to later versions may be
lost or not viewable.
Most PDFs can be opened with
Acrobat 4.0 and Acrobat Reader
4.0 and later. However, features
specific to later versions may be
lost or not viewable.
Cannot contain artwork that uses
live transparency effects. Any
transparency must be flattened
prior to converting to PDF 1.3.
Supports the use of live
transparency in artwork. (The
Acrobat Distiller feature flattens
transparency.)
Supports the use of live
transparency in artwork. (The
Acrobat Distiller feature flattens
transparency.)
Supports the use of live
transparency in artwork. (The
Acrobat Distiller feature flattens
transparency.)
Layers are not supported.
Layers are not supported.
Preserves layers when creating
PDFs from applications that
support the generation of layered
PDF documents, such as
Illustrator CS and later or InDesign
CS and later.
Preserves layers when creating
PDFs from applications that
support the generation of layered
PDF documents, such as
Illustrator CS and later or InDesign
CS and later.
DeviceN color space with 8
colorants is supported.
DeviceN color space with 8
colorants is supported.
DeviceN color space with up to 31
colorants is supported.
DeviceN color space with up to 31
colorants is supported.
Multibyte fonts can be
embedded. (Distiller converts the
fonts when embedding.)
Multibyte fonts can be
embedded.
Multibyte fonts can be
embedded.
Multibyte fonts can be
embedded.
40-bit RC4 security supported.
128-bit RC4 security supported.
128-bit RC4 security supported.
128-bit RC4 and 128-bit AES
(Advanced Encryption Standard)
security supported.
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When you downsample (or decrease the number of pixels), information is deleted from the image. With Distiller, you
specify an interpolation method—average downsampling, bicubic downsampling, or subsampling—to determine how
pixels are deleted. Depending on the settings you choose, compression and downsampling can significantly reduce the
size of a PDF with little or no loss of detail and precision.
When Distiller processes a file, it normally applies the compression settings to images throughout the file. However,
you can assign different compression and downsampling methods to individual images.
Varying the compression and downsampling methods within a PDF
Before you create a PDF, you can take various approaches to applying different compression and downsampling
options to the individual images that will go into that PDF:
• Use Adobe Photoshop to resample and compress existing image files before using Distiller. When you are ready to
create the PDF in Distiller, be careful to deselect the compression and downsampling or subsampling options.
• Create separate PostScript files for each part of the document that you want to process differently, and use different
compression options to distill each part. Then use Distiller to merge the files into a single PDF.
• When you create color, grayscale, and monochrome images in an art application (such as Adobe Photoshop), select
the compression and downsampling settings that you want when you save each image from within that application.
• Insert Distiller parameters before images in a PostScript file. You can use this technique to process every image in
a document differently. This technique is the most difficult, because it requires knowledge of PostScript
programming. For more information on using parameters, see the SDK documentation on the Acrobat Developer
Center at www.adobe.com/go/learn_acr_devcenter_en (English only).
Note: To apply the inserted Distiller parameters, select Allow PostScript File To Override Adobe PDF Settings on the
Advanced panel of the Adobe PDF Settings dialog box in Distiller. This option overrides settings you selected in the
Adobe PDF dialog box.
Compression methods
Distiller applies ZIP compression to text and line art, ZIP or JPEG compression to color and grayscale images, and ZIP,
CCITT Group 3 or 4, or Run Length compression to monochrome images.
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Suitable compression methods for different art types
A. ZIP B. JPEG C. CCITT D. Run Length
You can choose from the following compression methods:
ZIP
Works well on images with large areas of single colors or repeating patterns, and for black-and-white images that
contain repeating patterns. Acrobat supports only 8-bit ZIP compression, which is lossless; that is, data is not removed
to reduce file size, so image quality is not affected.
Note: Adobe implementation of the ZIP filter is derived from the zlib package of Jean-loup Gailly and Mark Adler, whose
generous assistance we gratefully acknowledge.
JPEG
Suitable for grayscale or color images, such as continuous-tone photographs. JPEG is lossy, which means that it
removes image data and may reduce image quality; however, it attempts to reduce file size with the minimum loss of
information. Because JPEG compression eliminates data, it can achieve much smaller file sizes than ZIP compression.
CCITT
Available only for monochrome bitmap images. CCITT (Consultative Committee on International Telegraphy
and Telephony) compression is appropriate for black-and-white images and any images scanned with an image depth
of 1 bit. Group 4 is a general-purpose method that produces good compression for most monochrome images.
Group 3, used by most fax machines, compresses monochrome images one row at a time.
Run Length
Produces the best results for images that contain large areas of solid white or black.
A
C
D
Sales Plan
Kahili Mountain Coffee
B
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Fonts
Font embedding and substitution
A font can be embedded only if it contains a setting by the font vendor that permits it to be embedded. Embedding
prevents font substitution when readers view or print the file, and ensures that readers see the text in its original font.
Embedding increases file size only slightly, unless the document uses CID fonts. a font format commonly used for
Asian languages. You can embed or substitute fonts in Acrobat or when you export an InDesign document to PDF.
You can embed the entire font, or just a subset of the characters used in the file. Subsetting ensures that your fonts and
font metrics are used at print time by creating a custom font name. That way, for example, your version of Adobe
Garamond®, not your service provider’s version, can always be used by the service provider for viewing and printing.
Type 1 and TrueType fonts can be embedded if they are included in the PostScript file, or are available in one of the
font locations that Distiller monitors and are not restricted from embedding.
When a font cannot be embedded because of the font vendor’s settings, and someone who opens or prints a PDF does
not have access to the original font, a Multiple Master typeface is temporarily substituted: AdobeSerifMM for a missing
serif font, and AdobeSansMM for a missing sans serif font.
The Multiple Master typeface can stretch or condense to fit, to ensure that line and page breaks in the original
document are maintained. The substitution cannot always match the shape of the original characters, however,
especially if the characters are unconventional ones, such as script typefaces.
Note: For Asian text, Acrobat uses fonts from the installed Asian language kit or from similar fonts on the user’s system.
Fonts from some languages or with unknown encodings cannot be substituted; in these cases, the text appears as bullets
in the file.
If characters are unconventional (left), the substitution font will not match (right).
If you have difficulty copying and pasting text from a PDF, first check if the problem font is embedded (File >
Properties > Font tab). For an embedded font, try changing the point where the font is embedded, rather than sending
it inside the PostScript file. Distill the PDF without embedding that font. Then open the PDF in Acrobat and embed the
font using the Preflight fixup.
Accessing and embedding fonts using Distiller
When converting a PostScript file to PDF, Distiller needs access to the file’s fonts to insert the appropriate information
in the PDF. Distiller first searches the PostScript file for Type 1, TrueType, and OpenType fonts. If the font isn’t
embedded in the PostScript file, Distiller searches additional font folders. Distiller searches the following font folders
in Windows:
• /Resource/Font in the Acrobat folder
• /Windows/Fonts
Distiller searches the following font folders in Mac OS:
• /Resource/Font in the Acrobat folder
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• /Users/[user name]/Library/Fonts
• /Library/Fonts
• /System/Library/Fonts
The Acrobat installation includes width-only versions of many common Chinese, Japanese, and Korean fonts,
therefore Distiller can then access these fonts in Acrobat. Make sure that the fonts are available on your computer.
(In Windows, choose Complete when you install Acrobat, or choose Custom and select the Asian Language
Support option under the View Adobe PDF category. In Mac OS, these fonts are installed automatically.)
For information on including fonts in a PostScript file, see the documentation that came with the application and
printer driver you use to create PostScript files.
Note: Distiller does not support Type 32 fonts.
To specify other font folders for Distiller to search, in Acrobat Distiller, choose Settin g s> Font Locations. Then in the
dialog box, click Add to add a font folder. Select Ignore TrueType Versions Of Standard PostScript Fonts to exclude
TrueType fonts that have the same name as a font in the PostScript 3 font collection.
Note: To provide Distiller with access to a font folder that has been moved, use this dialog box to remove the folder listed
in its old location and add it in its new location.
Preview PDFs without local fonts
You can create a printable preview of your document that substitutes default fonts for any text formatted in fonts that
are available on your local computer but are not embedded in the PDF. This preview can help you decide whether to
embed those local fonts in the PDF, to achieve the look you want for your document.
❖
In the Preferences dialog box under Categories, select Page Display, and then deselect Use Local Fonts.
Note: If a font cannot be substituted, the text appears as bullets, and Acrobat displays an error message.
Find PostScript font names
If you need to enter a font name manually on the Fonts panel of the Adobe PDF Settings dialog box, you can use a PDF
to find the exact spelling of the name.
1 Use any application to create a one-page document with the font.
2 Create a PDF from the document.
3 Open the PDF in Acrobat, and choose File > Properties > Fonts.
4 Write down the name of the font, using the exact spelling, capitalization, and hyphenation of the name as it appears
in the Font Info dialog box.
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