When you shouldn’t downgrade
Unlike previous guides that used the printer’s LCD menu, the new method requires:
Uninstall "HP Smart" and "HP Update" from your computer, as these apps often push new, restrictive firmware. hp officejet pro 8620 firmware downgrade new
NEVER turn off the printer during the downgrade process. This can permanently damage the printer (brick it).
Once the downgrade is finished, you must immediately disable updates to prevent the printer from automatically re-installing the version that blocks your ink. When you shouldn’t downgrade Unlike previous guides that
Here is the current community-sourced method for the OfficeJet Pro 8620:
A popular tool comes from a GitHub repository specifically named "OfficejetPro86xx-Downgrade". This script was created to counteract HP's "timebomb" firmware that purposely blocks remanufactured cartridges. Once the downgrade is finished, you must immediately
To prevent the printer from automatically re-updating to the version that blocks your ink, you must turn off the auto-update feature: HP Printer Firmware Downgrade Guide: Download Link Included CompAndSave
However, remember: HP is actively monitoring forums. Their next update (expected Q2 2025) may physically disable recovery mode. If you decide to downgrade, do it today. And once downgraded, reconnect your printer to the internet.
: When asked "Do you want to turn on Printer Updates?", select Via Web Browser : Enter your printer's IP address
Before we dive into the downgrade process, let’s understand the battlefield.