The Canon Service Tool V3400 is a powerful but dangerous utility. While it can reset waste ink counters and resolve “5B00” errors, improper use can destroy your printer or cause physical ink leaks. Canon intentionally restricts it to trained service personnel to prevent hardware damage.
: Clears the internal counter that tracks waste ink accumulation in the maintenance pads. canon service tool v3400
The tool is Windows‑only (32‑bit, .NET Framework 2.0 or 3.5 required) and often triggers antivirus false positives because it directly accesses hardware. The Canon Service Tool V3400 is a powerful
Note: For printers newer than 2020 (e.g., TS8300, G‑series megatank), V3400 likely does not work; newer tools like V5000+ exist. V3400 likely does not work