has suddenly stopped working with third-party ink, reverting to an older firmware release can restore your freedom of choice, slash your printing overheads, and give you full control over your hardware. Why Downgrading the Firmware is Better for Most Users

An is better because it bypasses restrictive "Dynamic Security" locks, saves hundreds of dollars on third-party ink, and restores device stability . Modern HP firmware updates often block remanufactured cartridges and cause connection dropouts. Reverting to an older firmware build gives control back to the consumer. The Problem with Recent HP Firmware Updates HP OfficeJet Pro 8620

Using a Windows PC and the standard HP firmware update utility (hppwdupd.exe), the user forces the older firmware onto the device. The utility will typically warn that the file is older than the current version, requiring the user to bypass a "Version Check" using command-line flags ( /force or /downgrade ).