Printing to PDF from Excel produces blank PDF

I've had a couple of incidents where printing a chart from Excel 2007 to a PDF produces a blank PDF. It happens with Acrobat 8 and 9. This leads me to believe it may be an Office issue, but I've also seen the same file work on one machine and not another with the same versions of Office and Acrobat installed. The only workaround I've found is using the Save As PDF feature instead of the PDF printer.