Canon BJC-S820D User Manual page 154

Ensure that the correct printer driver is selected.
In Windows, ensure that Canon S820D is selected in the Print dialog box.
In Macintosh, ensure that S820D is selected in the Chooser.
Note
In Windows, you can set the Canon S820D Photo Printer as the default printer.
Ensure that the printer port is set correctly.
Set "USBPRNnn" or "USBnnn" ("n" represents a number) as the printer port.
1
Open the Printer Properties dialog box from the Start menu.
2
Click the Details tab (or Ports tab) and set the printer port.
Opening the Printer Properties dialog box directly from the Start menu
Windows
Printer Does Not Start or Stops During Print Jobs
Troubleshooting
154