Si alla fine si può con vbscript:

<script language="vbscript">
Set WshShell = CreateObject("WScript.Shell")

PrinterKey = "HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\PageSetup\footer"
WSHShell.RegWrite PrinterKey, ""

PrinterKey = "HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\PageSetup\header"
WSHShell.RegWrite PrinterKey, ""
</script>