I'm a Complete Newb, my apologies. I'm using the current Raspbian OS on a new Pi 4. I've sudo updated everything.
My Internet through Wifi works, I can stream 1080p video.
My USB-connected SSD drive works as expected.
2.4 GHz wireless keyboards work (kind of - sometimes they crash, but my wired Apple keyboard has given no trouble.
But I have been trying for a week to connect my printer wirelessly and cannot succeed.
I installed HPLIP without issue, my printer definition was there. I have the HP printer icon visible on the top of the GUI screen, showing 1 document queued, "Status - processing" When I view attributes in its drop down menu, the job status message is "The printer is not responding."
I tried CUPS installation, and got as far as: Add Printer Hewlett-Packard LaserJet Pro MFP M125nw Error: "Unable to use PDD file"
I tried installation through the terminal without success. When I accessed Help, Printing troubleshooter, I got: "Check Server Firewall. It is not possible to connect to the server. Please check to see if a firewall or router configuration is blocking TCP port 631 on server 'DEVAE7207.local'
Any suggestions for next steps? The printer connects effortlessly to the Mac and Windows machines in the house.
Thanks in advance!