Canon BJC-3000 - Manual (Page 139)

139 Routine Maintenance
When to Replace the BJ Cartridge
Printing a Nozzle Check Pattern
Cleaning the Print Head (Normal Print Head Cleaning)
Cleaning the Print Head (Deep Print Head Cleaning)
Replacing the BJ Cartridge
Aligning the Print Head
Nozzle check pattern poor quality?
Nozzle check pattern poor quality?
Nozzle check pattern poor quality?
Print a nozzle check pattern.
Execute normal print head cleaning.
Execute deep print head cleaning.
Replace the BJ Cartridge.
Execute print head alignment.