Service tool V3400 inactive


The Service Tool V3400 allow you to reset ink counter for some Canon printers. If the window of the servie tool is inactive, try these solutions:

Solution 1:

Solution 2:
  • Disconnect the USB cable from the printer
  • Wait a few seconds and power back the USB cable
  • On Windows, click "next" when appears "New peripheral"
  • Open the service tool and the reset

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