Lexmark XC6153
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.
防止多余的碳粉粉末落入打印机。当废碳粉瓶装满时更换它。
保持良好的打印质量。更换旧碳粉盒以保持打印机高效运行。