The Service Tool version you are using does not support your specific printer model. Switch to ST6000 or a newer variant if you are trying to use an older tool like V3400.
Use a USB Connection: This tool will not work over Wi-Fi or Bluetooth. A stable USB cable is mandatory.
In this guide, we will break down what the ST6000 tool does, how to safely download it, and the exact steps to reset your printer’s internal counters. What is Canon Service Tool ST6000? canon service tool st6000 download
Consult the official Canon support website for your specific model to find authorized firmware updates and diagnostic software.
Connect the printer directly to a Windows PC using a high-quality USB cable . Service Mode will not work over Wi-Fi or network connections. The Service Tool version you are using does
While holding the Stop button, press and . Keep holding the Power button, and release the Stop button .
Review the manufacturer's documentation regarding the "Waste Ink Absorber" error, as resetting the software without addressing the saturated hardware can lead to permanent damage or leaks. A stable USB cable is mandatory
Turn off the printer by pressing the once. (It may take a few seconds to shut down completely). Wait 10 seconds. Turn the printer back on normally.
While still holding Stop/Reset, press and hold the button.
Are you using ? (Note: Service tools are almost exclusively Windows-based).
Triggers a powerful ink priming sequence to clear stubborn nozzles.