A warm welcome to HP forums! This is a great place to get support, find answers and tips to your technical queries. As per this document, there are no macOS 10.14 compatible driver available for Officejet Pro 8600 Plus printer. However, we can try adding an alternate printer driver.Hp Officejet Pro 8610 Drivers For Mac 64-bitHP Linux ImagingHP Linux Imaging PrintingDownload the latest drivers, f..