Canon BJC 3000 Reference Manual page 147

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 a few minutes until print head cleaning is completed and the
POWER lamp 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.
Printing a Nozzle Check Pattern
Replacing the BJ Cartridge
Cleaning the Print Head
Routine Maintenance 147