If your machine is connected to the internet, you can update directly via the operation panel: Navigate to System Management Settings Update Firmware Via Internet and follow the on-screen instructions. Canon Canada 2. Manual Update (Via Remote UI)
To find the correct firmware for your specific machine, you should use the following official regional support pages: Canon imageRUNNER 2425 Support Page United Kingdom: Canon UK Support - iR 2425 United States: Canon USA Software & Drivers Ireland: Canon Ireland iR 2425 Support Firmware Update Methods canon ir 2425 firmware download link