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npv1022
Member
Member

Best Preflight/Optimize Settings

I know every print environment is different, but I'm looking for a good preset to use in Preflight and Optimize. We have an Iridesse and an iGen and I'm wanting to run all of our files for output through a workflow that will prevent transparency issues.

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11 Replies
DavidU54339-XRX
FreeFlow Production Workflow Moderator
FreeFlow Production Workflow Moderator

Re: Best Preflight/Optimize Settings

For Optimize, one can use the below settings for handling transparencies.

t1.png

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npv1022
Member
Member

Re: Best Preflight/Optimize Settings

Thank you for the reply. However, when I try to use those settings, it messes up the transparency. I cannot attach an image to this thread, but if you will please visit the two links you will see what I mean. In particular, look at the area on the left around the two gutter graphics.

Original file: https://shared-assets.adobe.com/link/f21b6e9f-c0af-42c9-7dbf-273e86cdb38a

Optimized/Imposed file: https://shared-assets.adobe.com/link/c8147d2a-927a-4f04-61e1-bfb9ae637bce

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DavidU54339-XRX
FreeFlow Production Workflow Moderator
FreeFlow Production Workflow Moderator

Re: Best Preflight/Optimize Settings

Have I outlined the objectionable image quality outcome?

obj.png

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npv1022
Member
Member

Re: Best Preflight/Optimize Settings

Yes. As well as the area under the big yellow arrow at the top of the page. Thank you!

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DavidU54339-XRX
FreeFlow Production Workflow Moderator
FreeFlow Production Workflow Moderator

Re: Best Preflight/Optimize Settings

I wrote a BUG against the Optimize problem. I have used the attached (within the zip) Callas pre-flight fixup to flatten tranparencies. I used the default parameters. 

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npv1022
Member
Member

Re: Best Preflight/Optimize Settings

Thank you. How do I use/apply the .kfpx file you provided?

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DavidU54339-XRX
FreeFlow Production Workflow Moderator
FreeFlow Production Workflow Moderator

Re: Best Preflight/Optimize Settings

Put the .kpfx file at C:\Xerox\FreeFlow\Core\00000000-0000-0000-0000-000000000000\Data\Profiles. For the Preflight node select the .kpfx as a fixup -- see below.

p1.png

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npv1022
Member
Member

Re: Best Preflight/Optimize Settings

Got it! That seems to fix the boxes around the transparent areas, so thank you. Is the Optimize node still needed with "Remove Transparent Objects" and "Flatten Transparent Objects" options selected?

Is it possible to edit that preflight? I'm currently using my own preflight (with no fixups, only checking for embedded fonts, overprinting, etc) and would like to be able to implement my current preflight file checks with your transparency settings.

Thanks again.

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DavidU54339-XRX
FreeFlow Production Workflow Moderator
FreeFlow Production Workflow Moderator

Re: Best Preflight/Optimize Settings

One can run two Preflight nodes is series, one for the fixup(s) and one preflight checking. If one performs the transparency fixup(s) using Preflight there is no need to use Optimize. I've included two more fixups:

  1. a fixup for removing unnecessary transparency groups
  2. a process plan that removes unnecessary transparency groups and flattens tranparencies
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