What does it mean when the WiFi light is blinking on my HL-B2080Dw?
When the WiFi light is blinking, the wireless connection is down or your machine is in the process of connecting to a wireless access point. When the WiFi light is on, your Brother machine is successfully connected to a wireless access point.
From the official Brother HL-B2080DW Monochrome Laser Printer manual, page 7
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