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.