: Setup → Printer Maintenance → Printer Status Report → Look for “Firmware Datecode”
Downgrading the HP OfficeJet Pro 8620 Go to product viewer dialog for this item. hp officejet pro 8620 firmware downgrade hot
: Note your current firmware version (e.g., FDP1CN2022AR) by printing a Printer Status Report or checking the Support Menu HP Support Community Downgrade Methods Method 1: Manual Software Installation (Recommended) : Setup → Printer Maintenance → Printer Status
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.” Why Downgrade is "Hot"
firmware is a common but complex workaround for users facing "Non-HP Chip Detected" errors. While HP generally discourages downgrading due to security risks, users often seek it to restore the functionality of third-party or refilled ink cartridges blocked by "Dynamic Security" updates. Why Downgrade is "Hot"