Canon S820 User Manual page 38

When errors occur or ink runs low
The BJ Status Monitor is automatically displayed when an error occurs, e.g. if the printer
runs out of paper or ink is low.
In such cases, take the appropriate action as described in the Printer Status tab.
In Windows Me or Windows 98, click the Guide tab and follow the instructions on screen.
When paper has run out:
Note
For details on the BJ Status Monitor, select the Help menu and click on the
topic of interest.
Printer Driver Functions (Windows)
When the ink level is low:
BJ Status Monitor Functions 38