Chapter 10 Maintenance 104X Maintaining the print headYou can print a nozzle check pattern to check whether each print head is operating properly, andthen clean or align the print head.Flowchart of print head maintenanceIf the print head position patterns are notuniform,Perform normal print head cleaning.(See page 107.)If there is no improvement,If there is no improvement,Perform deep print head cleaning.(See page 107.)The print head may be damaged. Contact your localauthorised Canon dealer or the Canon help line.If there is no improvement,If there is no improvement,Print the nozzle check pattern.This pattern enables you to check whether the ink is ejecting from the print head nozzles correctly and whether theprint head is aligned. For instructions on printing and reading the nozzle check pattern, see page 105 and page 106.If the nozzle check patterns are not printedcorrectly,Align the print head. (See page 108.)Replace the ink tanks. (See page 98.)If there is no improvement,Replace the ink tanks. (See page 98.)Step 1Step 2Step 3Step 4Step 3Step 2
