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Canon printer PIXMA MG3620 User Manual

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    							Maintenance
    If Printing Is Faint or Uneven
    Performing Maintenance Functions from Your Computer (Windows)
    Performing Maintenance Functions from Your Computer (Mac OS)
    Cleaning
    171 
    						
    							If Printing Is Faint or Uneven
    Maintenance Procedure
    Printing the Nozzle Check Pattern
    Examining the Nozzle Check Pattern
    Cleaning the Print Head
    Cleaning the Print Head Deeply
    Aligning the Print Head
    172 
    						
    							Maintenance ProcedureIf print results are blurred, colors are not printed correctly, or print results are unsatisfactory (e.g. misalignedprinted ruled lines), perform the maintenance procedure below.
    Important
    
    						
    							From the computer
    Cleaning the Print Heads (Windows)
    Cleaning the Print Heads (Mac OS)
    After cleaning the print head, print and examine the nozzle check pattern: 
     Step1
    If the problem is not resolved after performing from step 1 to step 3 twice:
    Step4  Clean the print head deeply.
    From the machine
    Cleaning the Print Head Deeply
    From the computer
    Cleaning the Print Heads  (Windows)
    Cleaning the Print Heads (Mac OS)
    If the problem is not resolved, turn off the power and clean the print head deeply again after 24 hours. Do not unplug the power cord when turning off the power.
    If the problem is still not resolved:
    Step5  Replace a FINE cartridge.
    Replace a FINE cartridge
    Note
    
    						
    							Printing the Nozzle Check PatternPrint the nozzle check pattern to determine whether the ink ejects properly from the print head nozzle.
    Note
    
    						
    							Examining the Nozzle Check PatternExamine the nozzle check pattern, and clean the print head if necessary.1.
    Check if there are missing lines in the pattern A or horizontal white streaks in the pattern B.
    C: Number of sheets printed so far
    If there are missing lines in the pattern A:
    Cleaning the print head  is required.
    D: Good
    E: Bad (lines are missing)
    If there are horizontal white streaks in the pattern B:
    Cleaning the print head  is required.
    F: Good
    G: Bad (horizontal white streaks are present)
    Note
    
    						
    							Cleaning the Print HeadClean the print head if lines are missing or if horizontal white streaks are present in the printed nozzle checkpattern. Cleaning unclogs the nozzles and restores the print head condition. Cleaning the print head
    consumes ink, so clean the print head only when necessary.1.
    Make sure that the power is turned on.
    2.
    Hold down the  Stop button until the  Alarm lamp flashes twice, then release it immediately.
    The machine starts cleaning the print head.
    The cleaning will be complete when the  ON lamp lights after flashing.
    Do not perform any other operations until the machine completes the cleaning of the print head. This takes about 1 to 2 minutes.
    3.
    Check the print head condition.
    To check the print head condition, 
    print the nozzle check pattern .
    Note
    
    						
    							Cleaning the Print Head DeeplyIf print quality does not improve by the standard cleaning of the print head, clean the print head deeply.
    Cleaning the print head deeply consumes more ink than the standard cleaning of the print head, so clean the print head deeply only when necessary.1.
    Make sure that the power is turned on.
    2.
    Hold down the  Stop button until the  Alarm lamp flashes three times, then release it
    immediately.
    The machine starts cleaning the print head deeply. The cleaning will be complete when the  ON lamp lights after flashing.
    Do not perform any other operations until the machine completes the deep cleaning of the print head.
    This takes about 1 to 2 minutes.
    3.
    Check the print head condition.
    To check the print head condition, 
    print the nozzle check pattern .
    If the problem is not resolved, turn off the power and clean the print head deeply again after 24 hours.
    If the problem is still not resolved, 
    replace the FINE cartridge  with a new one.
    If the problem is still not resolved after replacing the FINE cartridge, contact the service center.
    178 
    						
    							Aligning the Print HeadIf printed ruled lines are misaligned or print results are otherwise unsatisfactory, adjust the print head
    position.
    Note
    
    						
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