Downgrading HP OfficeJet Pro 8620 Go to product viewer dialog for this item. Firmware: Is it Better? Downgrading the firmware on an HP OfficeJet Pro 8620
Cost Savings: Downgrading allows for the use of compatible ink, which can be significantly cheaper than genuine HP cartridges. hp officejet pro 8620 firmware downgrade better
Find a working old firmware file – Look for version CN598A_..._17.0.0.exe or earlier (avoid anything above 17.x.x if possible). Downgrading HP OfficeJet Pro 8620 Go to product
Alternative: HP sometimes releases "remedy" updates that officially allow third-party chips without needing a full downgrade. Check the HP Support site first for any optional "remedy" firmware. hp officejet pro 8620 firmware downgrade better