There are several reasons why your HP printer offline. Common causes include network connectivity issues, where the printer is not properly connected to Wi-Fi or the computer. Another possibility is incorrect printer settings, such as being set to "Use Printer Offline" in the printer queue. Additionally, outdated or corrupted printer drivers can lead to the offline error. Physical iss... https://www.quora.com/profile/Tony-Stark-6588/How-do-I-get-my-HP-printer-back-online-An-offline-printer-is-a-common-issue-faced-by-many-HP-printer-users-but-it-can