Lexmark CS820
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.
防止多餘的碳粉掉落在印表機內。廢棄碳粉回收瓶已滿時,請予以更換。
維持優質的列印輸出。更換使用過的碳粉匣,可保持印表機的效能。