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Using preflight profiles

From: Print Production Fundamentals

Video: Using preflight profiles

Acrobat ships with a wide variety of preflight profiles, and preflight is just trying to find out what's wrong with this picture. So under the Prepress topic, I'm going to choose Magazine Ads. Now I could choose Analyze and Fix, but I'm just going to choose Analyze. And when I choose Analyze and set Acrobat in motion, it finds a lot of problems. First of all, it says it's not compliant with PDF/X-1a, although that doesn't mean that it wouldn't image correctly, but it just feels compelled to tell me that.

Using preflight profiles

Acrobat ships with a wide variety of preflight profiles, and preflight is just trying to find out what's wrong with this picture. So under the Prepress topic, I'm going to choose Magazine Ads. Now I could choose Analyze and Fix, but I'm just going to choose Analyze. And when I choose Analyze and set Acrobat in motion, it finds a lot of problems. First of all, it says it's not compliant with PDF/X-1a, although that doesn't mean that it wouldn't image correctly, but it just feels compelled to tell me that.

But now I see some things that I know are going to cause problems. It says that I have low-resolution images. So when I click on the little triangle next to that error entry, then I can find out which images are causing the problem. When I click on this little icon, nothing happens until I press Show in Snap, and I realize Show in Snap doesn't make any sense until you find out that this is called the Snap View. So as I click on one of the other icons, I'll see the other images causing a problem. This is nothing that I can fix in Acrobat, I have low-resolution image content.

So either the original image was low resolution or perhaps the PDF was made with a setting that downsampled the image so that it's not appropriate. So I can't fix this here but at least I know what the problem is and I can communicate back to the creator of this file and hopefully they can fix the problem. But there is another issue that people often want to fix, and this is going to require me to create my own preflight profile. So here I have a PDF that has the trim marks, bleed marks, all the page information, and I want to just trim it off just to the very trim.

So again nothing built into Acrobat that will do this but I can fix this myself by creating what's called a Fixup. So this third little icon up here that looks like a little wrench that gives you the list of built-in fixups I know you tend to think of fixing as being separate from preflighting, but in Acrobat's mind they all fall under the same topic. So under Options here, I'm going to tell Acrobat I want to create a new preflight fixup, and I'll just call this CroptoTrim, and what I need is under the Pages topic, so in this left-hand column I choose Pages and then I'm going to scroll all the way around and choose Set page geometry boxes.

So this only works if the application that created this PDF put in their information that identifies where the trim is and where the bleed is. It's not just that it's visible to us, it's actually invisible information in the PDF that identifies those edges. So what I want Acrobat to do is crop this page at that TrimBox, and the way you tell it that is backwards I think from your logic, so the source, in other words what I want to have controlled is my CropBox. The destination, which to me is the source, is the TrimBox.

So I'm going to say that I wanted to crop it off to where the trim is indicated internally in the file. Yes, I know this is backwards but just remember that it's backwards and that'll help you when you try to make your own fixups. When I click OK, now I just have the recipe but I haven't run it yet. So there's my new little CroptoTrim fixup that I made, when I press the Fix button, it's going to ask me where I want to save this because it's going to make a permanent modification to the file. And when it's done, look, it's trimmed it off to trim.

So do keep in mind that this only works if the PDF has the trim area correctly identified within the PDF. But InDesign and Illustrator both do that. So remember that preflight can help you find problems that would be hard to find by just looking at the file, and fixups can fix some problems, and both of those together can save you some time.

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This video is part of

Image for Print Production Fundamentals
Print Production Fundamentals

68 video lessons · 23495 viewers

Claudia McCue
Author

 
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  1. 2m 7s
    1. Welcome
      1m 31s
    2. Using the exercise files
      36s
  2. 7m 5s
    1. What is print production?
      1m 51s
    2. Understanding roles and responsibilities
      5m 14s
  3. 13m 49s
    1. Communicating with your printer
      3m 49s
    2. What does the printer do with my files?
      2m 39s
    3. Understanding the importance of contract proofs
      1m 57s
    4. Handling corrections and alterations
      2m 8s
    5. Attending press checks
      3m 16s
  4. 13m 27s
    1. Choosing the correct type of printing for your project
      3m 15s
    2. The art of letterpress
      1m 33s
    3. Understanding the advantages of sheet-fed printing
      2m 22s
    4. Using a web press for long runs
      1m 39s
    5. Understanding thermography
      1m 38s
    6. Considerations for digital printing
      3m 0s
  5. 15m 11s
    1. What's a process color?
      2m 55s
    2. What's a spot color?
      2m 52s
    3. Exploring how ink behaves on paper
      5m 14s
    4. Comparing monitor vs. press output
      4m 10s
  6. 15m 15s
    1. Building to the correct size
      4m 37s
    2. Folding and trimming
      3m 18s
    3. Setting up for die cutting
      3m 19s
    4. Embossing
      4m 1s
  7. 3m 17s
    1. Choosing an application
      3m 17s
  8. 9m 54s
    1. Understanding font formats
      1m 45s
    2. Using OpenType fonts
      5m 20s
    3. Fonts to avoid
      2m 49s
  9. 13m 52s
    1. Comparing raster vs. vector images
      3m 23s
    2. Understanding color space
      4m 26s
    3. Examining image formats
      6m 3s
  10. 13m 13s
    1. Looking at image resolution
      7m 16s
    2. Masking basics
      5m 57s
  11. 39m 53s
    1. Understanding Illustrator
      2m 34s
    2. Illustrator layout tips
      2m 48s
    3. Building a simple three-panel brochure
      6m 29s
    4. Using swatches
      5m 22s
    5. Working with effects
      5m 16s
    6. Cautions about some effects
      1m 23s
    7. Importing images
      2m 41s
    8. Exploring fonts
      2m 42s
    9. Saving for users with older versions
      3m 2s
    10. Saving as PDF
      4m 36s
    11. Gathering up the pieces
      3m 0s
  12. 57m 8s
    1. InDesign layout basics
      5m 21s
    2. Building a simple three-panel brochure: method one
      7m 19s
    3. Building a simple three-panel brochure: method two
      3m 21s
    4. Working with color and gradient swatches
      7m 12s
    5. Making gradients and creating a rich black swatch
      4m 45s
    6. Exploring fonts in InDesign
      2m 54s
    7. Importing graphics
      7m 49s
    8. Copying and pasting graphics
      3m 38s
    9. Saving for users with older versions
      2m 21s
    10. Packaging up a print job
      6m 57s
    11. Generating PDFs
      5m 31s
  13. 22m 43s
    1. Using Overprint Preview in InDesign
      3m 3s
    2. Managing swatches in InDesign
      5m 29s
    3. Preflighting in InDesign
      7m 58s
    4. Using the Links panel in Illustrator
      3m 16s
    5. Using blending modes in Illustrator and InDesign
      2m 57s
  14. 35m 35s
    1. Basic forensics in Acrobat
      11m 3s
    2. Using Output Preview
      5m 30s
    3. Dealing with display artifacts
      2m 52s
    4. Using TouchUp tools
      8m 17s
    5. Converting colors
      4m 11s
    6. Using preflight profiles
      3m 42s
  15. 3m 27s
    1. Submitting the job
      2m 29s
    2. Being a good print customer
      58s
  16. 1m 2s
    1. Next steps
      1m 2s

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