Lexmark CX510
Using special characters in the username on any app that needs authentication, such as Device Quotas, prevents users from logging in.
Use the correct case for any Unicode character used in a username.
If the issue persists, then search for more information related to this issue or contact customer support.
Richten Sie Ihren Drucker mithilfe eines Adapters für Telefonbuchsen, die nicht dem RJ11-Standard entsprechen, für das Senden von Faxnachrichten ein.