Canon S820 User Manual page 155

Troubleshooting
If one of the following messages is displayed outside of the BJ Status Monitor:
Could not spool successfully due to insufficient disk space
Increase the amount of free space on the disk by deleting any unnecessary files.
Could not spool successfully due to insufficient memory
Increase available memory by closing any other applications currently running.
Printer driver could not be found
Uninstall the printer driver and reinstall it.
Uninstalling Printer Drivers
Background printing failed (Windows Me/Windows 98/Windows 95 only)
Restart Windows and try printing again.
Could not print [application name] – [file name]
Try printing again once the current job is finished.
An Error Message is Displayed on the Screen 155