How do I enable Wireless Direct to print without a router?
On your printer Home screen, touch the Wireless Direct button, then touch Wireless Direct and select either On (No Security) or On (With Security). If you enable security, only users with the password can connect; if disabled, anyone within wireless range can connect to your printer.
From the official HP Envy 5530 E All-in-One Printer manual, page 5
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