Canon PIXMA G620 G600 series User Manual - Page 274

Important • Make sure that the orange label and the protective tape have been removed, when installing the print head. • Do not open the print head locking cover (A) carelessly. The ink may leak out. Check Installation of Print Head Check2 Check paper and print quality settings. Printout (Copy) Results Are Unsatisfactory Check3 Are the print head nozzles clogged? Print the nozzle check pattern and make sure that the ink is coming out normally. For details on printing the nozzle check pattern, print head cleaning, and print head deep cleaning, see If Printing Is Faint or Uneven. Step1 Print the nozzle check pattern. After printing the nozzle check pattern, examine the pattern. If the pattern is not printed correctly, go to the next step. • From the printer Printing the Nozzle Check Pattern • From the computer ◦ For Windows: Printing a Nozzle Check Pattern ◦ For macOS: Printing a Nozzle Check Pattern Step2 Clean the print head. After cleaning the print head, print the nozzle check pattern and check the result. • From the printer Cleaning the Print Head • From the computer ◦ For Windows: Clean the print head ◦ For macOS: Clean the print head If it still does not improve, go to the next step. Step3 Clean the print head again. After cleaning the print head again, print the nozzle check pattern and check the result. If it still does not improve, go to the next step. Step4 Clean the print head deeply. After cleaning the print head deeply, print the nozzle check pattern and check the result. • From the printer Deep Print Head Cleaning 274