When a user installed a third-party ink cartridge (remanufactured or clone), the printer would display an error message claiming the cartridge was "damaged" or "missing," effectively bricking the cartridge. While HP argued this was to protect the printer's printheads from inferior ink and protect their intellectual property, consumers and competitors (like Axis and StarJet) argued it was an anti-competitive tactic designed to monopolize the ink market.
Downgrading firmware on the HP OfficeJet Pro 8620 is a common task for users wanting to bypass "dynamic security" measures that block non-HP or third-party ink cartridges. While HP officially states that downgrading is not possible or supported, several community-driven workarounds exist. HP Support Community Method 1: Direct Reset to Factory Defaults hp officejet pro 8620 firmware downgrade hot
Many users report that after a recent automatic firmware update, their starts rejecting non-HP or remanufactured cartridges with the error: “Cartridge problem – Ink cartridge missing or damaged.” When a user installed a third-party ink cartridge
If you own an HP OfficeJet Pro 8620 and you’ve recently noticed that your third-party ink cartridges no longer work, your printer refuses to scan, or you are seeing cryptic “Cartridge Problem” errors, you are not alone. You have been hit by HP’s infamous Dynamic Security feature. While HP officially states that downgrading is not
Downgrading the firmware on the HP OfficeJet Pro 8620 involves the following steps: