To solve Canon Printer In Error State, follow these steps.
First, check if your printer is connected. If not, connect it.
Open the printer queue afterward.
Head over to the control panel & further devices and printers.
Right-tap your printer and press See What's Printing.
You'll see a list of print jobs. You must delete non-printing print jobs.
Click on the printer, then use the offline printer.
Press the printer, then set it as default.
Restart your computer to verify if the issue is fixed.