printing

Is there a way for me to print a PDF or other document from my iPhone to a USB or WiFi printer in my truck (no PC of MAC around). I am often on the road and need to fill in electronic documents for customers and then give them a printed copy.

OS: LION OS/X 10.7.1 / build 11826 Printer: HP C4340 All-in-One Printer connection: via 4-port usb hub to Macbook Adobe Acrobat Reader version and specifications: Architecture: i386 Build: 10.1.1.33 AGM: 4.21.19 CoolType: 5.8.109 JP2K: 2.0.0.14587 ADM: 10.01x33 I wonder if I am the only one...

QUESTION: Do you have any problems printing envelopes using either Open Office or LibreOffice in OS/X? N.B: I am specifically excluding NeoOffice from this 'survey'. Open Office was known to have problems where the envelope was printed on the wrong side, etc. Any experiences with OO or LO...