When to Replace the Cartridge and Maintain Print Head 67Routine MaintenanceWhen to Replace the Cartridge and Maintain Print HeadWhen printing becomes faint or colours are incorrect, clean the print head. If the problemspersist after cleaning, you may need to replace a cartridge.á Printing the Nozzle Check PatternIf the print quality is poorá Print Head CleaningIf the problem remainsá Replacing the Ink CartridgeIf print head cleaning and ink cartridge replacement do not resolve the problem, the printhead may be worn out. Replace the whole BJ cartridge.á Replacing the BJ Cartridge
