7780 OfficeJet appears offline (wireless) after updating the firmware on the router

7780 OfficeJet appears 'offline' on every Windows PC (OS: Windows 7/32-Bit or Windows 8/64-Bit) in my 802.11 wireless home network, even though the printer is fully functional when connected via USB to a machine. IP address of the printer can be crazy, WES is available, PASS, network configuration page shows CONNECTED, firmware just improved to f2011 network test report.

HPPSdr shows the installed printer with the correct IP address, and when you print a test page printing Test HPPDU appears in the print queue for the printer (offline).

Router is configured with WPA-2 / AES, authentication of the printer is configured as automatic (1 - WPA or WPA-2) and automatic encryption (AES or TKIP).

THX - this isn't the channel. It is a SNMP flag set (on all machines). Disabling status SNPM magically let the printer reappear.

Tags: HP Printers

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