What does the blinking Wireless light mean on the HP DeskJet 3630?
A blinking Wireless light indicates that wireless has not been set up or that the printer is attempting to connect to a network. You can press the Wireless button on the control panel to turn the printer's wireless capabilities on or off. (Page 2)
From the official HP Deskjet 3630 All-in-One Printer manual, page 2
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