: Check the printer's Support Menu (accessed by tapping the "Back" button 4 times) to verify the firmware has reverted. Risks and Troubleshooting Update the firmware on an HP printer | HP® Support
The software will begin transferring the data to your printer. hp officejet pro 8620 firmware downgrade hot
"The 8620 is back," Sarah grinned. "And this time, it’s staying off the grid." [1, 2] : Check the printer's Support Menu (accessed by