BookletCreator helps those with PDFs, lame printers
Make booklets out of PDF documents and make them printable even on printers that aren't set up to print in booklet mode.
If you're an office worker in the unfortunate position of having a lackluster printer that's incapable of printing booklets, or have a general hatred of Acrobat's built-in booklet making resources check out BookletCreator.
It's a free service that takes any PDF you can throw at it and reorders the pages and layout to be printable as a multipage booklet. For the sake of your clients, it's even nice enough to send you back a copy that can be printed locally on other nonbooklet printing devices, free of any watermarks or other changes to the original PDF.
It's worth noting the service chokes on password-protected PDFs, so if your file is protected (and you have the password) you should change the PDF security settings to "open" before attempting to run it through the system. Also, if you're looking to only print out the first several pages of a document, it'll let you tweak how many pages you want to print in increments of four.
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