You can install operating system updates in WebTools Express.
This procedure describes the manual update. For automatic update see Configure, download, and install operating system updates from PRISMAservice
Download the operating system updates from http://downloads.cpp.canon.
Multiple .msu patches can be available.
Do not restart the printer during the upload and update process.
Select the file and click 'Open'.
Click [Ok] to confirm, or [Cancel] to reject your entries.
Click [Ok] to open WebTools Express.