Check: Is the printer status monitor enabled?
Make sure that Enable Status Monitor is selected on the Option menu of the printer status monitor.
Open the printer driver setup window.
On the Maintenance sheet, click View Printer Status....
Select Enable Status Monitor on the Option menu if it is not selected.
If you are using Windows 7 or Windows Vista:
Check: Specify the response from pressing the Color or Black button on the machine.
Follow the procedure below to specify the response on your computer.
If you are using Windows 7:
Log on as a user account with administrator privilege.
Select Devices and Printers from the Start menu.
Right-click the "Canon XXX Printer" icon (where "XXX" is your machine's name), then select Scan properties.
If the User Account Control screen appears, click Yes.
Click the Events tab on the "WIA Canon XXX series Properties" (where "XXX" is your machine's name) screen.
Select Start this program for Actions, then select MP Navigator EX Ver5.0 from the pull-down menu.
Choose an event from the Select an event pull-down menu, then select MP Navigator EX Ver5.0 to launch for each event. If MP Navigator EX Ver5.0 is already selected for each event, click Cancel.
Click OK.
If you are using Windows Vista:
Log on as a user account with administrator privilege.
Select the Start menu > Control Panel > Hardware and Sound > Scanners and Cameras.
Select "WIA Canon XXX series" (where "XXX" is your machine's name), then click the Properties button.
If the User Account Control screen appears, click Continue.
Click the Events tab on the "WIA Canon XXX series Properties" (where "XXX" is your machine's name) screen.
Select Start this program for Actions, then select MP Navigator EX Ver5.0 from the pull-down menu.
Choose an event from the Select an event pull-down menu, then select MP Navigator EX Ver5.0 to launch for each event. If MP Navigator EX Ver5.0 is already selected for each event, click Cancel.
Click OK.