This situation has created a debate. Some users argue the warnings are false positives because the tool interacts with hardware and modifies system counters in an unusual way, causing security software to raise alerts. However, a more cautious approach is strongly recommended. The safest practice is to assume the downloaded file could be dangerous and run the tool on a dedicated, isolated computer (or a separate hard drive) that contains no personal or sensitive data. If possible, consider purchasing a legitimate, paid version of a newer service tool from a trusted source like eBay, which may be safer than searching for free downloads.
Ensure your printer is strictly in Service Mode. Make sure you are using a USB cable and not Wi-Fi. Close any other active printing queues or software. Error Code 002 service tool v4720 download link
Click the button right next to it. The printer will communicate with the PC, and the internal counter value will reset to 0 . This situation has created a debate
Release the button. The printer will make noises, and the light should become solid (not flashing). Step 2: Run the Service Tool v4720 Extract the downloaded Service Tool V4720.zip file. Run the .exe file as an Administrator . Connect your printer via USB cable to your computer. In the tool, check that the correct USB port is recognized. The safest practice is to assume the downloaded
Prints a detailed technical grid to diagnose hardware issues. How to Prepare Your Printer for the Tool
A direct physical USB cable connection (Wi-Fi or network mode will not work).