Canon S300 User Manual page 155

If the WPS driver or CAPT driver is installed, either uninstall it or change the driver
port to FILE as follows.
1
Click the Start button, then click Settings and Printers.
2
Display the WPS or CAPT driver properties, and click the Details tab.
3
Change the Print to the following port field to FILE.
An Error Message is Displayed on the Screen
Troubleshooting
155