Search for a specific version like (from 2018) or earlier on reputable third-party sites like CompAndSave or ComboInk .
| Risk | Consequence | |------|--------------| | | If power is lost during the 12-minute flash, the printer becomes a paperweight. | | Voided Warranty | HP will refuse support. (But the 8620 is out of warranty for most users anyway.) | | Security Vulnerabilities | Older firmware lacks patched exploits. Do not connect the printer directly to the internet after downgrade. | | HP Apps Failure | HP Smart and ePrint will break. You must print via USB or LAN only. |
"Did this work on your 8620? Tell me the last 4 digits of your old firmware in the comments. If you see 'Update blocked by admin,' you need to perform a factory reset before starting Step 3."
This process takes approximately 20 minutes. Do not rush.
. The printer screen may turn light green or display a progress bar; do not turn it off during this time (usually 1–5 minutes). If you get a "Not Applicable" error, some users extract the , open the EnterpriseDU.ini file, and change VerifyDownloadID before running it. CompAndSave Step 4: Disable Automatic Updates hp officejet pro 8620 firmware downgrade new
This is the most reliable method for newer, stricter firmware versions, as it forces the printer to accept a lower version ( .rfu file) HP Support Forum .
: Use a USB cable for the most stable connection.
Prevent the printer from accurately displaying ink levels for refilled cartridges. Step-by-Step Downgrade Process
You specifically need the HP Officejet Pro 8620 N911n firmware, usually version FDP1CN1416AR or earlier. Search for a specific version like (from 2018)
When reinstalling, choose "Customize" and uncheck "HP Update" and "Product Improvement" YouTube . Troubleshooting
Search reputable third-party printer repair forums or ink supplier archives for the HP OfficeJet Pro 8620 firmware downgrading executable ( .exe for Windows or .dmg for Mac).
HP routinely pushes automated over-the-air firmware updates under the guise of security improvements. However, the primary outcome for many users is the digital enforcement of original equipment manufacturer (OEM) ink dependencies. Reverting to an older firmware release provides specific operational benefits:
: Before attempting a downgrade, ensure the printer won't immediately re-update. On the printer control panel, go to Setup > Printer Maintenance > Update the Printer > Printer Update Options and select Do Not Check . (But the 8620 is out of warranty for most users anyway
Double-click the older firmware .exe file you downloaded.
If you own an HP OfficeJet Pro 8620, you know it is a workhorse. This all-in-one printer has been a staple in small offices and home businesses for years due to its low cost per page, high yield cartridges, and reliable duplexing. However, if you are reading this article, you are likely frustrated. You may have seen a recent pop-up on your printer screen: “Firmware Update Available.” Perhaps you clicked “Install,” and suddenly, your third-party or remanufactured cartridges stopped working. Or maybe your scanner is lagging, or the printer is begging for an HP+ subscription.
Once the downgrade succeeds, you must stop the printer from automatically updating itself again.
You’ve landed here searching for The keyword “new” is critical because HP has recently changed its dynamic security policies. As of late 2024 and into 2025, previously working downgrade methods have been blocked.
HP generally removes older firmware versions from their official site. You may need to: