Does the HP Smart Tank 580 support 5 GHz Wi-Fi connections?
No, the HP Smart Tank 580 only supports a 2.4 GHz Wi-Fi connection. You must ensure your computer or mobile device is connected to a 2.4 GHz network during setup. Attempting to connect via a 5 GHz network will cause the setup to fail. (Page 7)
From the official HP Smart Tank 580 All-in-One Printer manual, page 7
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