C he c k Y o ur P DF : The Importance of Evaluating Your - - PowerPoint PPT Presentation

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Oct 23, 2022 227 likes •420 views

C he c k Y o ur P DF : The Importance of Evaluating Your Documents Check Your PDF: The Importance of Evaluating Your Documents Check Your PDF: The Importance of Evaluating Your Documents Meet the Presenter Vel Genov Senior Product

SLIDE 1

The Importance of Evaluating Your Documents

C he c k Y

ur P

DF :

SLIDE 2

Check Your PDF:

The Importance of Evaluating Your Documents

SLIDE 3

Check Your PDF:

The Importance of Evaluating Your Documents

SLIDE 4

Meet the Presenter

Vel Genov

Senior Product Manager PDF Product Line Datalogics, Inc.

SLIDE 5

Datalogics: Who We Are

Established in 1967

Located in Chicago Providing Adobe PDF toolkits to developers since 1997 Active in PDF community PDF Association Member

SLIDE 6

The PDF Format

The PDF file format is: Vast Feature rich Open format Hundreds of different PDF processors Implemented from scratch In different languages Results may vary

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“Technically Valid” PDFs May Appear Different

SLIDE 8

Most Common Discrepancies

Unsupported image types Transparency processing inconsistencies Font challenges Color variations Overprint issues Annotation appearance differences

SLIDE 9

Commonly Unsupported Image Types

16 bit images JBIG2 JPEG2000 Often used for their wide color gamut Lossless compression for bi-level images A successor to JPEG

SLIDE 10

16 bit images

A wider color gamut
65,536 tonal values
vs. 256 in 8 bit
Commonly used in

photography when shooting “RAW”

Image showing bits

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Potential Problems

ORIGINAL

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Font Challenges

Embedded fonts Different versions of a font Fonts not embedded properly Same fonts with different names Missing fonts Font licensing Wrong characters in fonts File size due to excess fonts

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Font Substitution

The results can sometimes look like this:

When a font is not embedded, it’s up to the PDF processor to find a substitute font

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What Went Wrong Here?

SLIDE 15

PDF CHECKER CAN

DETECT THESE PROBLEMS

BEFORE BEFORE

THEY IMPACT

YOUR WORKFLOW

SLIDE 16

Tools Used

PD PDF F CHE CHECKE CKER PDF PDF OPTIMIZER OPTIMIZER

Based on Adobe PDF Library Ideal for using in automated workflows FREE document verification tool Scans for and detects PDF error and warning conditions Optimize files for compatibility, file size, and long-term preservation Fully color managed process

SLIDE 17

How to Avoid Costly Mistakes

Know the shortcomings of your tools Screen files Convert files for maximum compatibility

When they first enter your workflow
When they exit your workflow

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datalogics.com | sales@datalogics.com | +1.312.853.8200

Thank You!

Vel Genov

Senior Product Manager, Datalogics