01-28-2020 04:46 PM
I have gone through your Post and I understand your concerns
HP Easy Scan Is Currently Not Supported in MacOS Catalina
You can Scan using Apple Image Capture or HP Smart App as a workaround.
Please refer to this Link: https://support.hp.com/in-en/document/c06455960
If the information I've provided was helpful, give us some reinforcement by clicking the "Solution Accepted" on this Post and it will also help other community members with similar issue.
I Am An HP Employee