HP CF500 Series Firmware Downgrade Method

HP CF500 Series Firmware Downgrade Method

You may get "Supply Problem" after replacing your toner cartridges.
This is due to the printer firmware by HP to version 2020 1021 series.
By watching the following video you can downgrade your printer firmware back to the older version.

Therefore you are able to use compatible cartridges again.

Leave a comment

Comments have to be approved before showing up