Docr - Docr is a free app for the iPhone smartphones that lets its users scan all of their documents into sharp images and, in the end, store them as PDF files.
CalPrint - CalPrint uses your existing reminders and calendar entries on your iPad or iPhone (Exchange, iCal and Google Calendars etc.
Scanner Pro - Scanner Pro turns your iPhone into portable scanner in your pocket.
Printer Pro - Print attachments, receipts, documents, web pages from your iPad and iPhone.
Genius Scan - On The Go.
Print - Developers of application solutions for the iPad & iPhone. 'Printing on the iPhone: “There's an App for that” - Print & Share' as featured in Apple's “Office” iPhone commercial