Seems like I'm not the only one having trouble when printing Office 2007 documents to an HP printer and having the last line cut in half. Most of the computers in the house are running Microsoft Vista Home Premium with Office 2007 and trying to print on an HP printer.

We had continued problems in which the printer would cut off the last line in half. Very frustrating.

After a bit of research and trial & error, I came up with this solution.

Go to Control Panel
Select Printers under Hardware and Sound
Right click on the offending printer and select Properties
In the new window, select the Advanced tab
Select the Print Processor button
In the new window, select WinPrint (it's likely set to hp-something instead)
Click OK (the window will shut)
Click Apply then OK on the Properties window
Try printing a document

Hopefully this works for you. Leave a comment here is if works or doesn't so we can see if this a good solution.