Canon BJC 3000 Reference Manual page 144

Normal print head cleaning
Windows
1
Open the Printer Properties dialogue box.
2
Click the Maintenance tab.
3
Click the normal print head cleaning icon in the Print Head Cleaning box.
Macintosh
1
Select Page Setup from the File menu.
2
Click the Utilities button.
3
Select the Print head cleaning icon.
Note
You can also start print head cleaning with the RESUME button on the
printer. Press and hold down the RESUME button until the POWER lamp
flashes once, and release it.
Cleaning the Print Head
Routine Maintenance 144