1. Temporarily turn off firewall and antivirus. Click on Start and search Windows Security, then hit Enter. Select Firewall & network protection then click on Private network. Toggle Microsoft Defender Firewall to off. Try installing the Canon printer driver after temporarily disabling the Microsoft Defender Firewall. How to start the Canon IJ Printer Assistant Tool. Canon IJ Printer Assistant Tool can be started in the following ways. Click Maintenance and Preferences icon in the Maintenance tab of the printer driver. From Windows Start menu, click (All apps, Apps, or All Programs->) Canon Utilities-> IJ Printer Assistant Tool. To troubleshoot that, the following things are worth trying. 1. Plug out the Canon scanner cable. 2. Clean the glass of your Canon scanner with clean clothing and then re-plug the scanner again. 3. Make sure both the computer and the scanner are turned on. 4. Connect the Canon scanner to Windows 10/11. Press the Setup button, use the button to select Maintenance, and press the OK button. Use the button to select Cleaning and then press the OK button. The printer starts cleaning the print head. Do not perform any other operations until the printer completes the cleaning of the print head. This takes about 1 minute. Load paper in the printer. Load one sheet of A4 size or Letter size plain paper into the rear tray. Print a nozzle check pattern. Make sure that the printer is on and click Print Check Pattern. Printing of the nozzle check pattern begins. Click OK when the confirmation message appears. The Pattern Check dialog box opens. Delete the USB class driver when it is not possible to install the printer driver correctly when using a USB connection. Note that even if you delete the USB class driver, it will be installed again automatically when you connect the printer and your computer with a USB cable. Make sure that the printer is on, and then remove any paper from the Rear Tray. 2. Open the printer properties dialog box. 3. Click the Maintenance tab and then Roller Cleaning. 4. Confirm the displayed message and click OK. The Paper Feed Roller will rotate as they clean. 5. Printing Inkjet PIXMA G2010. Canon Recycled Zero (FSC) Produced with 100% post-consumer waste, the Recycled White Zero is a CO2 neutral, 100% recycled paper. Its 3iyFD.