The delivery feeder unit may not be installed correctly. Follow the procedure below to install the delivery feeder unit correctly. If the error code persists after the delivery feeder unit is installed correctly, contact Canon Customer Care Center.
If the amount of free disk space is insufficient to install the software, an error message is displayed. Make sure there is sufficient disk space, and then try installing the software again.
Software Installation for the USB Connection Environment If the amount of free disk space is insufficient to install the software, an error message is displayed. Make sure there is sufficient disk space, and then try installing the software again.
The device displays error code: #801 ("Check the Server"). The cause has been found to be an issue with Windows 8.1 and Windows Server 2012 R 2. The issue is described in the Microsoft Knowledge Base article 2883200 and a fix is available in the November Roll up.