Visit the Canon support website for your region (e.g., Canon Europe, Canon Russia).

Visit your local official repository like or regional variants like Canon India Support .

You can usually find this in the machine's settings menu under or and looking for an or section. You can also often view it via the Remote UI on your computer.

Navigate to > Management Settings > License/Software > Firmware Update .

Never power down the printer or pull the plug during a firmware flash. Doing so can permanently corrupt the system board, requiring an expensive hardware replacement.

Canon also provides a for Windows that can detect and push the update directly to the printer over the network. Essential Information

This method avoids USB drives but requires a stable wired network—do not attempt over Wi-Fi.

firmware download , explaining the benefits of updating, and a step-by-step installation guide. Why You Need the Latest Canon iR 2425 Firmware