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Wireless/Wi-Fi connections usually do not work for service-level resets.

Once the software confirms the "A function was finished" message, turn the printer off and back on. ✅ Compatibility canon service tool v3900 download hot

Because this is not a standard consumer driver, it is not available on Canon’s official support site . You can typically find it through: canon service tool v3900 download hot

: While the printer is off, users typically hold the "Resume" button and then the "Power" button. They release "Resume" while still holding "Power," then press "Resume" five or six times (depending on the model) before releasing both. Software Execution : Once a steady green light indicates Service Mode, the canon service tool v3900 download hot