Canon BJC-3000 Series User Manual page 292

4
When a confirmation message appears, make sure that the printer is
switched on and then click the OK button.
Print head cleaning begins. (It takes about two minutes to complete print
head cleaning and the POWER light stops flashing.)
5
Print a Nozzle Check Pattern to confirm the success of deep print head
cleaning.
If the cleaning had no effect, perform normal print head cleaning and deep
Note
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.
Windows
Printing a Nozzle Check Pattern
Replacing the BJ Cartridge
Cleaning the Print Head
Macintosh
Routine Maintenance 292