Your card may be out of date and a new one has been issued by the University Card Office and Papercut has the data for the new card, not the old one; or your Teaching System password may have expired. If your card is out of date, email security-admin to get a new one. If your password has expired, contact the IT Helpdesk to set a new one. There are two likely causes:
If you then click ‘Advanced’ you should see an empty box that says ‘Print as Image’. Tick this box and try printing again.