Hp Officejet Pro 8620 Firmware Downgrade Better

: Downgrading is not officially supported by HP and carries a risk of "bricking" (permanently disabling) the printer.

This may disable the "Protected Cartridge" function, though it may not revert the firmware version itself. HP Printer Firmware Downgrade Guide: Download Link Included hp officejet pro 8620 firmware downgrade better

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 : Downgrading is not officially supported by HP