
To make my life more efficient I also have three HP Officejet Pro 8600 printers I paid big $$$ for when new. I use Mojave on my Macbook Pro because I have 32-bit software on it I still use. (-9927) on my Macbook Pro running Mojave. The pop-up says "Failed to open a connection to the device (-21345)" on my iMac runnning Catalina and the popup says "software for failed to run. Please like and share this guide to help others.The issue is new.


That's it! Let me know if this guide has helped you by leaving your comment about your experience.

HP Officejet Pro 8600 Printer Basic Driver Windows 10, 8.1, 8, 7, Vista, XP (32-bit).HP Officejet Pro 8600 Printer Basic Driver Windows 10, 8.1, 8, 7, Vista, XP (64-bit).HP Officejet Pro 8600 Driver Full Software Solution Windows 10, 8.1, 8, 7, Vista, XP (32/64-bit).Supported Models: HP Officejet Pro 8600 AIO e (N911a), Plus e (N911g), Premium e (N911n). Supported Windows OS: Windows 10 32-bit, Windows 10 64-bit, Windows 8.1 32-bit, Windows 8.1 64-bit, Windows 8 32-bit, Windows 8 64-bit, Windows 7 32-bit, Windows 7 64-bit, Windows Vista 32-bit, Windows Vista 64-bit, Windows XP. Interface Connection: Hi-Speed USB 2.0, built-in Fast Ethernet 10/100 Base-TX, Wi-Fi 802.11nĬompatible Ink: HP 950 Black, HP 950XL Black, HP 951 Cyan, HP 951XL Cyan, HP 951 Magenta, HP 951XL Magenta, HP 951 Yellow, HP 951XL Yellow HP OfficeJet Pro 8600 All-in-One Printer Series N911 Driver and Software for Windows. Printer Speed: 20 sheets/min mono, 16 sheets/min color. Below you'll find the direct download links for the HP Officejet Pro 8600 All in one (N911a-n) printer software and drivers for Windows 10, Windows 8/8.1, Windows 7, Windows Vista, Windows XP and Mac OS. Download HP Officejet Pro 8600 driver and software to print and scan from Windows or MAC OS.
