Canon BJC-3000 Series User Manual page 192

3
When a confirmation message appears, make sure that paper is loaded in
the printer and the printer is turned on.
4
Click the OK button.
5
Look at the check patterns and perform the correction procedure.
Note
If the cleaning had no effect, perform normal print head cleaning and deep
print head cleaning again. After cleaning the print head several times, if the
Nozzle Check Pattern is not satisfactory, the print head may be worn out
and the BJ cartridge must be replaced.
Replacing the BJ Cartridge
Using Maintenance Functions
Using the Windows Printer Driver 192