Tag Archives: Key firmware Epson L4167

How To Downgrade Firmware Epson L4167

Why Use Epson L4167 Firmware Key – Epson L4167 downgrade firmware key: this is required when NON-ORIGINAL ink cartridges are NOT recognized by the printer. This is because printers’ firmware has been updated from the Epson server to the newest firmware where not original ink cartridges are forbidden to be …

Read More »