Release the button while holding the ON/Power button.
Verdict
Let’s address the elephant in the room: You will not find it on Canon’s official website. Searching for "Canon Service Tool V1074" will lead you to third-party forums, repair sites, or file-sharing platforms. canon service tool v1074
If your printer is newer (e.g., G-series models), you may need a newer version of the Service Tool (like v3400, v4905, or v5300). Attempting to use v1074 on unsupported, newer models can cause "Error 006." How to Use Canon Service Tool v1074
The Canon Service Tool V1074 is a key that unlocks your printer’s full potential – but like any master key, it can open doors you don’t want to enter. Use it wisely, back up your data, and always have a plan for a real ink spill. Release the button while holding the ON/Power button
: Resets the waste ink counter when it reaches capacity (often indicated by a "P07" or "5B00" error code).
Executes deep printhead nozzle cleanings and test patterns unavailable in standard consumer drivers. If your printer is newer (e
Resets the main absorber counter and platen absorber counter.