Canon S400 User Manual page 361

Checking the version number of the printer driver
Windows
On the Windows desktop, click the Start button, point to Settings, and click
1
Printers.
Right-click the S400 icon and select Properties from the pop-up menu.
2
Click the Main tab and click the About button. The version number of the
3
printer driver is displayed.
Macintosh
Double-click the Extensions Folder in the System Folder and then select
1
the S400 icon.
Select Get Info from the File menu.
2
Select General Information. The version number of the printer driver is
3
displayed.
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Troubleshooting 361