Service Tool V3400.zip -

Before running the executable from the ZIP file, the printer must be placed in . Enter Service Mode: Turn off the printer but keep it plugged in. Hold the Resume button and press the Power button.

Release both buttons. The green power light should stay solid once the printer is ready. Service tool v3400.zip

Please tell me your so I can confirm if this tool is safe for your device. Service tool v3400 does not work on Canon Pixma Mg 3520 Before running the executable from the ZIP file,

The tool provides deep-level access to the printer's firmware settings that are usually reserved for authorized service centers. Service tool v3400.zip