@audy5000g, Welcome to HP Support Community!
Is your router dual-band enabled i.e., both 2.4GHz and 5GHz?
Did you make any changes to the network recently?
Meanwhile, use the guided troubleshooter Troubleshooting | Wireless Printing Center for instruction to isolate and resolve the issue.
Hope this helps! Keep me posted.
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TEJ1602
I am an HP Employee