: Firmware updates can sometimes trigger false "damaged" or "problem" cartridge messages on perfectly functional third-party units. How to Downgrade (General Steps)
| Risk Level | Issue | Solution | |------------|-------|----------| | High | Bricking the printer | Do not pull power during downgrade | | Medium | Loss of HP Instant Ink | If you use HP Instant Ink, downgrading voids compatibility | | Low | Security vulnerabilities | Older firmware lacks latest security patches; keep printer on isolated VLAN if possible | hp officejet pro 8620 firmware downgrade better
: If the process is interrupted (e.g., power loss), it can permanently damage the printer. : Firmware updates can sometimes trigger false "damaged"