HP Officejet J3680 All-in-One Printer - Manual (Page 105)

To uninstall from a Macintosh computer
1. Launch HP Device Manager.
2. Click Information and Settings.
3. Select Uninstall HP AiO Software from the pull-down menu.
Follow the onscreen instructions.
4. After the software is uninstalled, restart your computer.
5. To reinstall the software, insert the device Starter CD into your computer's CD-ROM
drive.
6. On the desktop, open the CD-ROM, and then double-click HP All-in-One Installer.
7. Follow the onscreen instructions and also see
Configure the device (Mac OS) .
NOTE: If you cannot launch the HP Device Manager, you can uninstall the software
by opening the Hard Drive, selecting Applications, select Hewlett-Packard, and
opening HP Uninstaller.
Uninstall and reinstall the software 101