Only proceed if you accept the risks. These are high-level steps — follow a trusted, model-specific guide from a reputable source; exact filenames and steps vary:
Downgrading requires finding an older version of the HP firmware (usually a .exe file for Windows or a .dmg file for Mac) from a trusted third-party archive, as HP removes older versions from their official site. Step 1: Prepare Your Connection
This is a high-stakes procedure. Before you start, please consider the following: hp officejet pro 8620 firmware downgrade better
So, why should you consider downgrading? Here are the key benefits of reverting to an older, more stable firmware.
If you use third-party, refilled, or remanufactured ink, a recent update will likely trigger an error message stating that the cartridges are damaged or missing. Only proceed if you accept the risks
The primary reason users seek a downgrade is HP's feature. In essence, this is a form of Digital Rights Management (DRM) that uses the printer's firmware to detect and block ink cartridges that do not contain an official HP security chip.
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Other users have reported that updates caused their scanners to stop functioning or the printer's network connectivity to become unstable. HP has acknowledged that problems can arise, noting in a support document that the dynamic security feature can cause a "Cartridge Problem" error message. For many users, rolling back to a "stable release" is the only way to get their printer working reliably again.
If the process is interrupted, the printer firmware can be corrupted. Discontinued Support: As the is discontinued, official support is limited anyway. Conclusion HP OfficeJet Pro 8620
The HP OfficeJet Pro 8620 is a robust, versatile all-in-one printer. However, if you are reading this in 2026, you may have noticed that newer HP firmware updates often restrict the printer’s ability to use non-genuine, third-party, or refilled ink cartridges.