Der RHRK Support wird über den Service Point sowie den FAQs gewährleistet.
You can change the credentials afterwards (e.g. because you changed your password) or remove them from your system in the following way: Open the Start menu and type "Credential manager".
1. Now select "Windows credentials":
2. There you will find the login data for "printer.uni-kl.de", which you can edit or remove.
Make sure that you always enter "uni-kl\benutzername" for the user name.