Windows 7, 64-bit, Home Premium. IE9 is the installed version of IE.
Print preview works only on the IE9 tab.
Happens with any page, but, for arguments' sake, I opened http://www.google.com/ in all tabs.
IE7 error message:
Line: 1528
Char: 1
Error: Invalid procedure call or argument
Code: 0
URL: res://ieframe.dll/preview.dlg

IE7 error message:
Line: 1527
Char: 1
Error: Invalid procedure call or argument
Code: 0
URL: res://ieframe.dll/preview.js

IE6 error message:
Line: 639
Char: 1
Error: Invalid argument
Code: 0
URL: res://C:\Program Files (x86)\Core Services\Ietester\6hdoclc.dll/preview.dlg

IE5 error message:
Line: 539
Char: 2
Error: Invalid argument
Code: 0
URL: res://C:\Program Files (x86)\Cores Services\Ietester\5hdocloc.dll/preview.dlg