Downgrading HP OfficeJet Pro 8620 Firmware: A Step-by-Step Guide
Are you experiencing issues with your HP OfficeJet Pro 8620 printer after a recent firmware update? Perhaps you've encountered compatibility problems or prefer an earlier version of the firmware. Downgrading the firmware can be a bit tricky, but we're here to help. In this post, we'll walk you through the process of downgrading your HP OfficeJet Pro 8620 firmware.
Why Downgrade Firmware?
Some users may prefer to downgrade their printer's firmware due to various reasons, such as:
Preparation is Key
Before attempting to downgrade your firmware, make sure to:
Downgrade Process
To downgrade your HP OfficeJet Pro 8620 firmware:
Alternative Method: Using the HP Printer Update Utility
If you're unable to access the EWS or prefer a more straightforward method:
Caution and Disclaimer
Downgrading your firmware may potentially cause issues with your printer's functionality or performance. Proceed with caution and at your own risk. HP does not recommend downgrading firmware, and it may void your printer's warranty.
Conclusion
Downgrading your HP OfficeJet Pro 8620 firmware requires careful preparation and attention to detail. If you're unsure or uncomfortable with the process, it's recommended to seek assistance from HP support or a professional. Share your experiences or ask questions in the comments below!
The small-town library was a sanctuary of silence until the "Order of the Ink" began their clandestine operation. At the center of the table sat the HP Officejet Pro 8620, a once-loyal workhorse now bricked by a mandatory firmware update that rejected every third-party cartridge in the building [1, 2].
"It’s a digital lockdown," whispered Elias, the head librarian. "HP pushed 'Dynamic Security.' If the chip isn't theirs, the printer won't dance." [2] hp officejet pro 8620 firmware downgrade hot
Sarah, a local coder with a penchant for digital restoration, pulled a weathered USB drive from her pocket. "The 2014 firmware—version PNP1NP1416AR—is the Holy Grail," she muttered, her fingers flying across her laptop. "It’s the only way to bypass the blockade." [1, 2]
The room grew hot, not from the radiator, but from the tension. They had to trick the printer into thinking it was traveling back in time. They initiated the firmware downgrade, a "hot" maneuver performed while the machine was still reeling from a hard reset [1].
As the progress bar crawled across the tiny touchscreen, the printer groaned. A "Non-HP Chip Detected" error flashed one last time, like a dying threat. Then, the screen flickered, the gears whirred, and a single page slid out, perfectly crisp and printed with "black market" ink.
"The 8620 is back," Sarah grinned. "And this time, it’s staying off the grid." [1, 2]
firmware downgrade is a high-interest topic primarily because recent firmware updates (like version FDP1CN2022AR
) often include "Dynamic Security" measures that block the use of third-party or non-genuine ink cartridges. Downgrade Guide & Best Practices
While HP officially discourages downgrading as it can "brick" the printer or remove security patches, users often follow these steps to restore third-party ink compatibility: Preparation:
USB Connection: Connect the printer directly to your PC via a USB cable. Network or Wi-Fi connections are less stable for firmware flashing.
Disable Updates: On the printer control panel, go to Settings > Printer Maintenance > Update Printer and set it to Manual or Off to prevent the printer from immediately re-updating. Locate Firmware: HP does not host older firmware on their official site.
Users typically find older files (like version 1416AR or 1910A) on community repositories or third-party ink vendor sites. Execute Downgrade : Download the older .exe firmware installer. Run the file and select your HP OfficeJet Pro 8620 from the dropdown menu.
If the installer shows a "Not Applicable" or "Up-to-Date" error, some users extract the .exe (using 7-Zip), open the EnterpriseDU.ini file, and change VerifyDownloadID from 1 to 0 to force the flash.
Confirm Version: 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
Downgrading the firmware on an HP OfficeJet Pro 8620 is a popular "hot" topic because recent updates often include "Dynamic Security" measures that block the use of third-party, non-HP, or refilled ink cartridges. By rolling back to an older firmware version (such as version 1910A), users can often bypass these restrictions. Critical Preparation
Before attempting a downgrade, you must adjust the printer's internal settings to permit the change: Downgrading HP OfficeJet Pro 8620 Firmware: A Step-by-Step
Allow Downgrade: On the printer control panel, navigate to Settings > Printer Maintenance > Update Printer > Manage Updates. Set Allow Downgrade to Yes.
Enable Updates: Temporarily set Allow Updates to Yes so the printer will accept the firmware file you are about to send.
Connection: Use a direct USB cable connection between your computer and the printer. Avoid Wi-Fi during the firmware transfer to prevent data corruption. Downgrade Process (Windows)
Obtain Older Firmware: HP does not officially provide old firmware on their website. You must source the specific .exe or .ful file (e.g., version FDP1CN1416AR or 1910A) from reputable third-party archives or community forums like the HP Support Community.
Run the Installer: Double-click the downloaded firmware file on your PC.
Select Printer: Choose your HP OfficeJet Pro 8620 from the dropdown list in the updater tool.
Send Firmware: Click Update or Send Firmware. The printer display will show a progress bar or change color (e.g., to light green) during the 1–5 minute process.
Restart: The printer will automatically restart once the installation is complete. Alternative: Hidden Support Menu Reset
If you cannot find the firmware file, some users attempt a "Semi-Full Reset" to revert settings, though this does not always roll back the actual firmware version:
User reviews and expert guides for the HP OfficeJet Pro 8620 Go to product viewer dialog for this item.
firmware downgrade are mixed, primarily because modern HP firmware versions are often designed to block downgrades. While HP officially states that downgrading is not possible or recommended, many users pursue it to bypass "Dynamic Security" which prevents the use of non-HP ink cartridges. The "Good" Reviews & Successful Workarounds
Despite official restrictions, some users have reported success using advanced manual methods rather than the standard HP utility.
Manual Binary Push: Experienced users on Reddit suggest that while the official .exe installer acts as a "gatekeeper" and blocks downgrades, you can bypass this by extracting the .FUL or .RFU binary file and sending it directly to the printer via a network command (like LPR or binary copy).
Bypassing "Not Applicable" Errors: Reviewers from YB Toner highlight a "hot" fix for the common "Not Applicable" error. By extracting the firmware package and editing the EnterpriseDU.ini file to change VerifyDownloadID from 1 to 0, you can often force the installer to recognise the printer.
Automated Tools: Community-developed scripts, such as the one found on GitHub, are often praised for automatically downloading the necessary "safe" firmware and pushing it to the printer's IP address. Critical Risks & Common Failures Compatibility issues with certain paper types or print
Many recent reviews express frustration, as HP has allegedly "patched" many of these workarounds.
The "Verifying" Loop: Some users report that even after bypassing initial blockers, the printer may hang indefinitely on a "Verifying" screen or simply reboot without actually changing the firmware version.
Bricking Hazards: Official HP Support warns that forcing a downgrade can lead to "bricking" (making the printer permanently unusable) or losing critical functionality.
Region Locking: Newer firmware might embed code that locks the printer to a specific cartridge region, which some users found impossible to revert even after a "successful" downgrade. Summary of Steps Recommended by Users
If you choose to proceed at your own risk, the community consensus follows this general path:
Obtain Old Firmware: Locate the .rfu or .ful file (version 1416AR is frequently cited as a stable choice) from a third-party archive or Scribd Guide.
Disable Auto-Updates: Immediately turn off "Update Printer" settings in the printer's control panel to prevent the device from re-upgrading itself.
Use a Direct Connection: Most successful reviews recommend using a USB or Ethernet cable rather than Wi-Fi for the transfer to avoid interruption. Officejet Pro 8620 Downgrade firmware blocked by hp
Crucial Warning: HP has recently removed the legacy firmware files from their official FTP servers. If you find a file labeled OJPro8620_1742A.exe or OJPro8620_1709A.exe, download it immediately. These are becoming "abandonware."
If you see this, HP has set an anti-rollback counter. Attempts to force downgrade include:
hpsf.hpcloud.hp.com → local server..FU or .BIN extension (HP firmware update format).OJ8600_Firmware_Update_<version>.exe (Windows) or .dmg (Mac).HP removed old firmware from their site. Try:
🔥 Hot tip: Look for a file named
OJPro8620_1834A_Update.exe. Double-check SHA hash before running.
HP introduced firmware version counters in the bootloader:
“Firmware update failed – older version”In 2016, and subsequently in later years, HP pushed a firmware update (often masked as a routine "security update") to the OfficeJet Pro 8620 and similar models. The update installed a "Dynamic Security" feature.
When a user installed a third-party ink cartridge (remanufactured or clone), the printer would display an error message claiming the cartridge was "damaged" or "missing," effectively bricking the cartridge. While HP argued this was to protect the printer's printheads from inferior ink and protect their intellectual property, consumers and competitors (like Axis and StarJet) argued it was an anti-competitive tactic designed to monopolize the ink market.