Brother printer offline problems are a common issue faced by users. One of the primary causes of this issue is connectivity problems, such as a loose or disconnected USB cable, Wi-Fi connectivity issues, or a faulty network connection. Another common cause is outdated or incompatible printer drivers, which can lead to communication errors between the printer and the computer. Additionally, issues with the printer spooler service, paper jams, or low ink levels can also cause the printer to go offline.
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