While you are in the Manage Updates menu, make sure to set Check Automatically and Auto Update to No . Steps to Perform the Firmware Downgrade
On Windows, navigate to a specific configuration folder and edit the FirmwareUpgrade.config.xml file with a text editor. You will need to change a setting from "false" to "true" to enable downgrades.
To understand the need for a downgrade, one must analyze HP’s Dynamic Security feature. Early firmware versions (e.g., FDP1-1718A and earlier) allowed the printer to function with any cartridge containing a working microchip. However, around 2018, HP pushed firmware updates (notably versions ending in 1738A, 1830A, and later) that enabled a cartridge authentication protocol. Under this protocol, the printer would reject any non-HP chip, displaying the infamous error: “Cartridge Problem – One or more cartridges appear to be damaged. Remove them and replace with new cartridges.”
. While HP officially states that downgrading is not possible or recommended due to security risks, many users find it necessary to bypass "Non-HP Chip Detected" or "Cartridge Problem" errors. Why Downgrading is Often "Better" Bypass Cartridge Lockouts hp officejet pro 8620 firmware downgrade better
Furthermore, modern operating systems (Windows 11, macOS Sonoma) and mobile devices rely on specific driver protocols. As HP updates its "Smart" apps and driver architecture, compatibility with firmware versions that are five or more years old may degrade. Users who downgrade may find themselves unable to scan to email via modern OAuth 2.0 security protocols or unable to use mobile printing features that were introduced or patched in later updates.
Keep the Manage Updates setting for Allow Updates and Auto Update set to No .
: Allows for the continued use of cartridges from retailers like CompAndSave or YB Toner , which are often significantly cheaper than official HP replacements. Essential Preparation While you are in the Manage Updates menu,
Follow the on-screen prompts. The printer's screen will usually show a "Programming" or "Updating" message. Do not turn off the printer during this time.
Uninstall any HP Smart apps or HP update software from your computer. These programs often run in the background and can force updates to your printer.
HP routinely updates firmware to "improve security." In reality, these updates often act as a barrier to non-HP ink suppliers. If you rely on cost-effective, high-capacity aftermarket cartridges, the newest firmware might trigger a permanent block, even if the cartridges worked previously. How to Downgrade HP OfficeJet Pro 8620 Firmware (Step-by-Step) To understand the need for a downgrade, one
Your printer must be connected to a stable network, preferably via Ethernet, though Wi-Fi can work. Enable "Allow Downgrade": Navigate to the printer's touchscreen control panel. Go to Settings or Tools . Select Printer Maintenance or Firmware Updates .
: Because HP removes older firmware binaries from its official HP Support Page, you must source the older firmware files (usually versions from 2014 to 2019) from trusted third-party repositories or communities. How to Downgrade Your HP OfficeJet Pro 8620 Firmware
Why Firmware Downgrade is Better for Your HP OfficeJet Pro 8620
Once the downgrade is successful, the most important step is to go into the printer’s settings (on the touch screen) and Turn Off Auto-Updates . If you don't, the printer will simply download the restrictive firmware again within a few days. The Final Verdict