Turn off your Canon printer completely, but leave the power cable plugged into the wall.
The printer model is not supported by V3400, or the machine is not in Service Mode.
Canon Service Tool V3400: Official Download and Printer Reset Guide Canon Service Tool V3400 -v 3.4 0.0 Download- Extra Quality
Download the verified archive file. Extract the contents using WinRAR or 7-Zip.
: Using third-party service tools immediately voids your manufacturer warranty . What the Tool Does Turn off your Canon printer completely, but leave
Look for standalone portable versions ( .exe format wrapped in a .zip or .rar ) rather than installers that ask to install unrelated managers or extensions.
Release both buttons. The power light should stay green, indicating it is in Service Mode. Extract the contents using WinRAR or 7-Zip
The is the specialized software engineered to resolve these hardware locks. This guide provides a comprehensive overview of the V3400 software, safety protocols, and a step-by-step walkthrough to successfully reset your printer. What is Canon Service Tool V3400?
While still holding the Stop/Reset button, press and hold down the Power button. The green power LED should light up.
The Service Tool cannot detect your printer under normal operating conditions. You must manually force the hardware into before launching the software.
the printer but keep it plugged into power and connected to your PC via Press and hold the button (red triangle in a circle). While holding Resume, press and hold the