The tool will only function if the printer is first placed into . Enter Service Mode : Power off the printer but leave it plugged in.
You may need a different version of the Service Tool (such as v4905 or v5302 for newer models). Tool Freezes / "Not Responding"
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Resets the main and platen waste ink absorbers to 0%.
Because Canon does not officially distribute this tool to the public, users often download it from third-party sources. to avoid security risks: The tool will only function if the printer
In the dropdown next to "Absorber", ensure it is set to . Click the Set button right next to it.
The green LED will blink a few times and then stay lit solid. Your computer may play a sound indicating a new USB device was found, often labeling it as "Canon Device" or "Generic Hardware." Click the Set button right next to it
When this counter reaches 100%, the printer locks itself down to prevent ink from leaking onto your desk. The v3900 version is highly popular because it supports a massive range of older and newer Canon Pixma models, allowing users to clear the counter and resume printing instantly. Common Errors Fixed by v3900 Waste ink counter full. Error Code 1700: Waste ink absorber is almost full.
Note: Newer Canon G-Series mega-tank models or TS-series printers generally require newer versions of the service tool, such as v5103 or v6000. Steps to Enter Service Mode
This version of the tool is specifically compatible with a wide range of older Canon inkjet models, typically released around 2013.
：Service Tool 无法通过无线网络连接工作，必须使用 USB 线将打印机直接连接到电脑。