Canon BJC-3000 Series User Manual page 285

Note You can print a Nozzle Check Pattern with the printer driver or with the
RESUME button on the printer. To print the Nozzle Check Pattern from the
operation panel, press and hold down the RESUME button until the
POWER light flashes twice, and then release it.
5
When a confirmation message appears, make sure that paper is loaded in
the printer and the printer is switched on.
6
Click the OK button.
7
Look at the check patterns and perform the correction procedure.
Separate patterns are printed to display the status of the BJ cartridge.
Printing a Nozzle Check Pattern
Routine Maintenance 285