How to Solve Canon Service Tools v.5.103 Error code: Service Tool (Not Responding) - Troubleshooting

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If the Canon Service Tools software is not responding or has stopped working when you try to use it, there are a few potential causes and solutions to try:

• Make sure that the printer is properly connected to the computer and is turned on.
• Check that the Canon printer driver is installed correctly and is up to date.
• Try restarting the computer and the printer to see if this resolves the issue.
• Make sure that the service tool software is up to date and that you are using the latest version.
• And If the problem persists, try using a different USB port or cable to connect the printer to the computer.
• If none of these steps work, there may be a hardware issue with the printer. In this case, you may need to contact the manufacturer or a professional printer repair service for further assistance.

It is also possible that the service tool software itself may be experiencing issues. If this is the case, you may need to contact the manufacturer or the developer of the software for further assistance.

How to Fix Canon Service Tools v.5.103 Error code: Service Tool (Not Responding)

Meaning:

• the PC/Laptop can't communicate with the printer.

Solution: 

1. Disconnect the USB cable of the printer connected to the computer, close the service tool
2. Then press the power button to turn off the printer or unplug the power cable.
3. Repeat the procedure to enter service mode.
4. Then open the service tool.
5. If this solution does not work, check the printer's USB port or replace the printer's USB cable.

If you are having trouble repairing a Canon printer yourself, it is highly recommended to ask the nearest Canon Service Center for help or the nearest printer repair professional.