A PDF is for printing, why would you want to re-scan it?
As far as adding special print options like crop marks and such, this is what Acrobat Professional was originally built for. It comes with a huge batch of features for print preparation. You'll need to upgrade.
Thom Parker The source for PDF Scripting Info [url=http://www.pdfScripting.com]pdfscripting.com[/url]
The Acrobat JavaScript Reference, Use it Early and Often [url=http://www.adobe.com/devnet/acrobat/javascript.php]http://www.adobe.com/devnet/acrobat/javascript.php[/url]
Then most important JavaScript Development tool in Acrobat [url=http://www.pdfscripting.com/public/34.cfm#JSIntro][b]The Console Window (Video tutorial)[/b][/url] [url=http://www.acrobatusers.com/tutorials/2006/javascript_console][b]The Console Window(article)[/b][/url]
As far as adding special print options like crop marks and such, this is what Acrobat Professional was originally built for. It comes with a huge batch of features for print preparation. You'll need to upgrade.
Thom Parker
The source for PDF Scripting Info
[url=http://www.pdfScripting.com]pdfscripting.com[/url]
The Acrobat JavaScript Reference, Use it Early and Often
[url=http://www.adobe.com/devnet/acrobat/javascript.php]http://www.adobe.com/devnet/acrobat/javascript.php[/url]
Then most important JavaScript Development tool in Acrobat
[url=http://www.pdfscripting.com/public/34.cfm#JSIntro][b]The Console Window (Video tutorial)[/b][/url]
[url=http://www.acrobatusers.com/tutorials/2006/javascript_console][b]The Console Window(article)[/b][/url]
Thom Parker
The source for PDF Scripting Info
www.pdfscripting.com
Very Important - How to Debug Your Script