TexasLiz77 wrote:
That plus sign is what I did. No printer showed up, so I typed in HPOfficeJet Pro 8710. Then nothing happened. Next plan, Sir? I appreciate your assistance. If I could afford a new printer I would do that.
Verify your printer is turned on & connected...
From the Apple help topic linked above...
<snip>
Add a USB printer
For most USB printers, all you have to do is update your software and then connect the printer to your Mac. macOS automatically detects the printer and downloads any necessary software. For other printers, you may have to complete a few steps to add the printer...
</snip>
<snip>
Add a Wi-Fi or network printer
If your Mac and printer are already connected to the same Wi-Fi network, the printer might be available to you without any setup. To check, choose File > Print, click the Printer pop-up menu, choose Nearby Printers or Printers & Scanners preferences, then choose your printer. If your printer isn’t available, you can add it...
</snip>
If no resolve—
Open >System Preferences>Software Update (Command R will reload and do a fresh check)
Update: HP Printer Software 5.1 should now be becoming available through Software Update to fix this issue.
(2220 UTC 23 October 2020)
or Apple direct download:
https://support.apple.com/kb/dl1888?locale=en_US
If you have continued issue—
download this package from HP which will update drivers AND THE CERTIFICATE, copy and paste:
ftp.hp.com/pub/softlib/software12/HP_Quick_Start/osx/Installations/Essentials/hp-printer-essentials-S-5_14_8_4.pkg
download link above.
If you still have an issue, and listed as AirPrint printer, delete the existing printer in
> System Preferences> Printers & Scanners, and add it again, select AirPrint.
Connect an AirPrint printer to a Wi-Fi network - Apple Support.
https://support.apple.com/en-us/HT201900
about AirPrint
https://support.apple.com/en-us/HT201311
you can also try reset print system if necessary:
If you can't print from your Mac or iOS device - Apple Support
https://support.apple.com/en-us/HT203343
If you are still at a loss, reference: https://123.hp.com/us/en/