The tool is intended for professional servicing, specifically to:

: Resetting the ink counter electronically does not physically clean the ink pads. If the pads are actually soaked, continued use can lead to ink leaking inside the printer.

To use this tool effectively, the printer must typically be placed into . This usually involves a specific sequence of button presses (e.g., holding the Resume button while powering on) unique to each Canon model. Important Considerations

v5204 is often considered a "universal" tool for older-generation Canon printers (pre-2015). Newer printers (e.g., G-series, TS-series) are rarely supported.

Be extremely cautious of websites claiming to offer a special "Portable Edition." Because this software is technically proprietary and leaked onto the internet, it is a prime target for malware distributors.