Hp Officejet Pro 8620 Firmware Downgrade New May 2026

Trapped by the Update: A Deep Dive into the HP OfficeJet Pro 8620 Firmware Downgrade Nightmare

If you own an HP OfficeJet Pro 8620, you likely bought it for one reason: cheap, high-volume printing. For years, this workhorse was the king of the SOHO (Small Office/Home Office) market. But recently, a quiet war has been raging in printer forums. The battle cry? "How do I force a firmware downgrade on my 8620?"

Select your HP OfficeJet Pro 8620 from the list of detected printers. Click Update or Send Firmware. hp officejet pro 8620 firmware downgrade new

5. Verification (The "New" Check)

• After reboot, go to Setup > Tools > Update > Printer Update.
• Set to "Do Not Check" (Critical).
• Check firmware version: It should read 1739A or lower.

9. Call to Action (Engagement)

If USB method not available — using Embedded Web Server (EWS) / Network: Trapped by the Update: A Deep Dive into

Before attempting a downgrade, ensure you have the following ready: After reboot, go to Setup > Tools >

The primary reason for a firmware downgrade is to bypass the "Non-HP Chip Detected" or "Cartridge Problem" errors that appear after an automatic update. These updates often:

Q3: I downgraded, but my third-party cartridges still don’t work.

Perform a Hard Reset:

The only way to reverse this is a firmware downgrade. HP doesn’t advertise this, but the pre-Dynamic Security firmware versions still exist – and they work perfectly.