Canon Service Tool V3400 -

The V3400 tool provides several diagnostic and maintenance functions that are normally reserved for authorized service centers:

: Since Canon does not officially distribute this tool to the public, many download links on the web are unofficial and may contain malware . canon service tool v3400

The sponge becomes completely saturated. Excess ink, with nowhere to go, begins to drip out of the bottom of the printer. This ink can: The V3400 tool provides several diagnostic and maintenance