Close the program, unplug the USB, and restart the process. Ensure no other printing tasks are in the queue. Important Safety Warning

A "Function has been finished" popup will appear.

The tool should show your printer model in the top bar. Clear Waste Ink Counter: Go to the "Main" tab. Find the "Clear Waste Ink Counter" section. Ensure "Main" is selected in the dropdown. Click Set .

Most service tools are flagged as "False Positives" because they modify hardware firmware.

If you own a Canon PIXMA printer, you’ve likely encountered the dreaded "Service Tool" error or the "Waste Ink Pad Full" notification (Error codes like 5B00 or P07). These errors effectively lock your printer, preventing any further documents from being processed.

Turn the printer off, wait 10 seconds, and turn it back on normally. Common Issues & Troubleshooting