Connect your printer to your PC via a (Wi-Fi will not work for this). Open Service Tool V4720.exe . In the "Main" tab, look for the Waste Ink Counter section. Ensure "Main" is selected in the dropdown and click Set . If successful, the tool will say "A function was finished." Important Warnings & Risks
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Release the Power button. The green light should blink and then stay solid. Step 2: Running the Tool Connect your printer to your PC via a