Unable to print emails in OWA

Our organisation uses OWA, we do not have Outlook clients on our computers. All our users at various sites have lost the ability to print emails today. I eventually see the following error message when trying to print emails, either from the preview screen or after opening the email  -

The problem appears to be specific to IE 10 as the Chrome browser still prints as normal. We are using O365 Small Business on Win 7 desktops/laptops and the problem is specific to emails as printing documents from our Team Site continues as normal.

Any ideas?

Thanks
Peter