Using unauthorized or improperly versioned service tools can result in irreversible hardware damage:
Release all buttons. The power light should stay green (not blinking). Run the Software: Service Tool v3400.zip and run the file as an administrator. Select the correct if it isn't automatically detected. Reset the Counter: canon service tool v3400.zip
If the tool stops responding, you may have used the wrong version for your specific printer model. Using unauthorized or improperly versioned service tools can
