Hp Officejet Pro 8620 Firmware Downgrade New [repack] ✯
HP OfficeJet Pro 8620 Firmware Downgrade (NEW 2024-2025 Guide): Why, How, and Risks
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.
- Version < 1739A → You may downgrade.
- Version ≥ 1739A → Standard downgrade impossible. You will likely need a USB downgrade pack from a third-party service (not HP).
Enter Recovery Mode (Pre-Boot):
a. Turn off printer.
b. Unplug power cord for 30 seconds.
c. Hold Cancel (X) + Right Arrow buttons.
d. Plug in power while holding buttons.
e. Release when "Recovery Mode" or "Download Mode" appears on screen. hp officejet pro 8620 firmware downgrade new
Step 1: Prepare the USB Drive
Method 2: The "RunAsDate" Technique (Advanced)
This is the most common community workaround. It involves tricking the HP firmware update tool into thinking the current date is in the past, thereby unlocking the ability to reinstall older firmware (provided you have the installer file saved). HP OfficeJet Pro 8620 Firmware Downgrade (NEW 2024-2025
Step 4: Flash the Firmware
- Insert the USB drive into the printer’s front USB port (not the rear port, which is disabled in recovery mode).
- Select “Update from USB – Force Version”.
- The screen will show
OJ8620_DOWNGRADE.bin found. - Press OK.
- A progress bar will crawl from 0% to 100%. Do not touch anything. It will stall at 85% for about 4 minutes – this is normal.
- When complete, the printer will reboot three times.
