8620 won’t print after apple update

[Superdave71]

Went thru the most recent apple update and now all my apple products cannot print on my hp8620. Apple tech support said that their products are ok(even with the updates) but the hip printer drivers are not supporting their apple products. What do I do?  Tried all the online hp suggestions. Not working.

[BryanCustomPure]

Try this set/order below to get up and running again:

Use the HP Uninstaller: https://support.hp.com/us-en/document/c02440673
If you still have a folder marked HP, delete it (likely in your "Libraries" folder(s).

Use Easy Start (https://support.hp.com/us-en/drivers/selfservice/hp-easy-start/7376041 - make sure your OS is correct) and see if your printer is supported. If not, move on to the next steps.

Uninstall your printer USING THIS METHOD ONLY (NOT EASY START, NOT EASY ADMIN): Apple Logo (Upper Left of Screen)/System Preferences/Printers & Scanners. Then restart your computer.

See if you can print. If not, continue:
Download (and install) this package (From HP FTP) which will update drivers AND THE CERTIFICATE:
ftp://ftp.hp.com/pub/softlib/software12/HP_Quick_Start/osx/Installations/Essentials/hp-printer-essen... If the link comes up blank, try right/control clicking and saving it. Or right/control click and copy link, and paste into browser bar. If you get the malware warning part-way through the installation, go to System Preferences>Security & Privacy where you can tick a box and unblock the HP option.

The install takes a bit. Let it run, even if it seems like it stalled out! When it completes, restart.

Then reinstall your printer using: Apple Logo (Upper Left of Screen)/System Preferences/Printers & Scanners, and use the default drivers. If drivers do not show up, download and install the 5.1 driver package from here: https://support.apple.com/kb/dl1888?locale=en_US . Then restart your computer.