Install the newest old firmware you can find (e.g., 1739A instead of 1709A). Some versions allow a single-step back.
If your goal is simply to use cheaper ink, check if your ink supplier offers a "new generation" chip that is compatible with the latest HP firmware updates. hp officejet pro 8620 firmware downgrade new
He read a desperate tip from a user named InkRebel88 : “Take the cartridges out. It’ll go to a 'Missing Cartridge' screen. That’s okay. That screen allows the firmware flash. Do it while the bay is empty.” Install the newest old firmware you can find (e
Official HP support pages typically only host the latest firmware. You may need to source older versions like FDP1CN1416AR from reputable third-party sites or community forums like Verify Model : Ensure the firmware is specifically for the (it often shares files with the 8610 or 8630). Step 3: Perform the Downgrade HP Printer Firmware Downgrade Guide - CompAndSave He read a desperate tip from a user
On the printer display, go to and confirm by selecting Yes . Managing Future Updates
Open the downloaded firmware package (typically an .exe file for Windows).
ensures you only update when you choose, protecting your preferred printer state. Popular Downgrade Methods Update the firmware on an HP printer | HP® Support