Downgrading the firmware on your HP OfficeJet Pro 8620 is generally considered "better" by users who want to use more affordable, third-party, or remanufactured ink cartridges. Newer firmware often includes "Dynamic Security," a feature designed to block non-HP chips, which can render third-party cartridges useless. HP Support Community Why Downgrade? (Pros & Cons) Cost Savings:
Reverting to older firmware allows the printer to recognize generic ink again, significantly reducing long-term printing costs. Feature Restoration:
Some users prefer the settings and interface of older versions.
HP warns that non-genuine ink can lead to earlier printhead failure. Additionally, third-party firmware files carry a small risk of "bricking" the printer if the installation is interrupted. HP Support Community Downgrade Methods
Official HP support often states that downgrading is not possible, but several workarounds exist: HP Support Community Hp Officejet Pro 8620 Firmware Downgrade Better
The HP OfficeJet Pro 8620 is a workhorse, but HP’s "Dynamic Security" firmware updates often block perfectly good third-party ink cartridges. If your printer recently stopped recognizing your non-HP ink, downgrading the firmware is usually the only way to regain control.
Here is a comprehensive guide on why downgrading is better and how to do it safely. Why Downgrade Your HP 8620 Firmware? hp officejet pro 8620 firmware downgrade better
HP frequently pushes updates that serve one primary purpose: ensuring you only buy original HP supplies. By reverting to an older version, you unlock several benefits.
Third-Party Ink Support: Use affordable remanufactured or compatible cartridges without the "Cartridge Problem" error.
Cost Savings: Non-HP ink can be up to 70% cheaper than OEM options.
Reduced Errors: Newer firmware often includes aggressive "Supply Problem" triggers that can disable the printer even with genuine ink. Full Control: You decide when to update, not HP. Preparation Before You Start
Downgrading firmware carries a small risk. Follow these steps to ensure a smooth transition:
Check Current Version: Go to the printer’s control panel, select Setup > Service > Firmware Revision. Downgrading the firmware on your HP OfficeJet Pro
Disable Auto-Updates: Before downgrading, navigate to Settings > Printer Maintenance > Update Printer and turn off "Auto-Update."
Use a USB Connection: Firmware transfers are much more stable via a USB cable than over Wi-Fi. Step-by-Step Downgrade Process 1. Source the Correct Firmware
You need a firmware version released prior to the 2016/2017 "Time Bomb" updates. Look for version PNP1CN1545AR or similar. Since HP removes these from their official site, you may need to source them from reputable third-party printer technician forums or ink suppliers. 2. Enter Service Mode
If the printer is "locked" by an error, you might need to initiate the update through the OOBE (Out of Box Experience) or Service Mode. Turn the printer off.
Press the "Back" arrow button four times (even if it's not lit) to enter the Support Menu. 3. Run the Firmware Updater Connect the printer to your PC via USB.
Run the .exe (Windows) or .dmg (Mac) firmware file you downloaded. Select your HP 8620 from the list of devices. Never connect to HP Smart app on your phone
Click Update and wait. Do not turn off the printer during this process. 💡 Pro Tip: Disable "Cartridge Protection"
Even with older firmware, HP has a feature called "Cartridge Protection" that locks ink chips to one specific printer. To prevent future headaches, go to the printer’s web interface (type its IP address into a browser), navigate to the Settings tab, and disable HP Cartridge Protection. Troubleshooting Common Issues
Printer Not Found: Ensure you are using a high-quality USB cable and that no other print jobs are in the queue.
Update Failed: If the update stalls, restart both the computer and the printer, then try a different USB port.
Still Not Recognizing Ink: After downgrading, you may need to perform a "Hard Reset" by pulling the power cord for 60 seconds while the printer is on.
Newer firmware sometimes adds intrusive "services" or promotional notifications to the printer's LCD screen, nagging users to sign up for HP Instant Ink or warranty extensions. Older firmware typically offers a cleaner, distraction-free interface.
To keep your downgraded printer running for years:
.bin file on two USB drives. If a guest accidentally updates the printer, you can re-downgrade instantly.Many users find that their OfficeJet Pro 8620 works significantly better on older firmware versions. The primary drivers for downgrading usually fall into three categories: