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Common problems for Connectivity Issues
We would like to share some of the most frequently asked questions about Printer Wi-Fi, Connectivity Issues and Offline Status. Check out this link: HP printer is offline or unavailable.
HP Recommended
MFP M377DW
Microsoft Windows 10 (64-bit)

Just moved and the best channel for the wifi is channel 13 (UK).  My printer refuses to see above channel 12 (clearly set for US).

Not had a problem with cartridges so I don't think it is the initial country setting I keep seeing, but I cannot see a way to tell the wireless it is in the European region and therefore Channel 13 is fine to use 

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