The ability to save my print jobs for later. I get an online confirmation and a receipt. Print, save, defer. Email receipt comes in. Save file, print file, defer, save print job.
Unlock code comes in.
Someone wants another copy, no problem, I don't have to hunt for the document again, check I've got the right revision and bite my fingernails wondering what will happen. The save jobs feature is a real beaut, and it's one that isn't highlighted sufficiently on the FP website, though mentioned. It's an invaluable tool to finding documents. I keep the saved files in a separate folder and name each print job distinctively. More glory to you.