why is my hp printer not printing on mac

Why is my HP printer not printing with my Mac?

This is due to a code-signing snafu affecting macOS Catalina (version 10.15) and Mojave (10.14), specifically. HP’s printer driver software is cryptographically signed with a certificate that macOS uses to determine whether the application is legit and can be trusted.

Why is my printer not responding to my Mac?

Important: First, try other troubleshooting techniques in Solve printing problems on Mac. On your Mac, choose Apple menu > System Preferences, then click Printers & Scanners . Press and hold the Control key as you click in the list at the left, then choose “Reset printing system” from the menu that appears.

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