Make sure that the printer port is configured appropriately.

1. Log on as a user account with administrator privilege.

2. Select items from the Start menu as shown below.

• In Windows 7, select Devices and Printers from the Start menu.
• In Windows Vista, select the Start menu > Control Panel > Hardware and Sound > Printers.
• In Windows XP, select the Start menu > Control Panel > Printers and Other Hardware > Printers and Faxes.

3. Open the properties of the printer driver for the printer.

• In Windows 7, right-click the "Canon XXX" icon (where "XXX" is your printer's name), then select Printer properties.
• In Windows Vista or Windows XP, right-click the "Canon XXX" icon (where "XXX" is your printer's name), then select Properties.

4. Click the Ports tab to confirm the port settings.

Make sure that a port named "USBnnn" (where "n" is a number) with "Canon XXX" appearing in the Printer column is selected for Print to the following port(s).

• If the setting is incorrect:

Reinstall the printer driver.

• Printing does not start even though the printer is connected to the computer using a USB cable and the port named "USBnnn" is selected:

Launch Canon My Printer from the task tray, select Diagnose and Repair Printer. Follow the on-screen instructions to set the correct printer port, then select your printer's name.

If the problem is not resolved, reinstall the printer driver.