I've spent hours trying to scan + shrink a multipage PDF document without losing readability. This is the first time I've ever needed to do this! (I had to scan each page as ".jpg" in order to email and open on another computer, so I could not scan to PDF directly, which I think is why each page was so large; lower DPIs made the text too blurry.)
I found this
great tip on
UbuntuGeek...but anyone can do this if GhostScript is installed:
http://www.ubuntugeek.com/ubuntu-tip...#comment-88401
Many thanks to whoever posted this tip!