Canon Pixma iP90 User Manual page 191

Note To open the BJ Status Monitor when the printer is not printing, click the Maintenance tab in the
Printer Properties dialog box and click the Start Status Monitor button.
See Opening the Printer Properties Dialog Box
When errors occur
The error message dialog is automatically displayed when an error occurs, e.g. if the printer runs out of
paper or if the ink is low.
In such cases, take the appropriate action as described.
Note For details on the BJ Status Monitor, select the Help menu and click on the topic of interest.