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
In the "Ink Absorber Counter" section, click to reset the main counter to 0%. ⚠️ Critical Risks and Warnings Service tool v3400.zip
Can print or clear EEPROM data to diagnose hardware issues or confirm new settings. Please tell me your so I can confirm
Adjusts the printer's region settings if the logic board has been replaced. Compatibility and Requirements Adjusts the printer's region settings if the logic
Using V3400 on newer printer models (like MG3520 or G-series) can permanently lock the printer's service mode, requiring a logic board replacement or EEPROM flashing to fix.
The tool provides deep-level access to the printer's firmware settings that are usually reserved for authorized service centers.
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.