How does the HP OfficeJet Pro 9120e connect to Wi-Fi?
The HP software, installed through the digital setup guide, will connect the printer to your Wi-Fi network. You can access the digital setup guide at hp.com/start/ojp9120e from a mobile device or computer. (Page 1)
From the official HP Officejet Pro 9120e All-in-One manual, page 1
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