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Canon printer PIXMA MG6821 User Manual

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    Page
    of 1068
    							Paper Is Blank/Printing Is Blurry/Colors Are Wrong/White Streaks
    Appear
     Paper Is Blank
     Printing Is Blurry
     Colors Are Wrong
    881 
    						
    							 White Streaks Appear
    Check1 Check paper and print quality settings.
    Print Results Are Unsatisfactory
    Check2 Check status of ink tanks. Replace ink tank if ink has run out.
    Replacing Ink
    Check3 Is orange tape or protective film still on ink tank?
    Make sure all the protective film is peeled off to expose the Y-shaped air hole, as shown below (A).
    If the orange tape remains on the ink tank (B), peel it off.
    Check4  Print nozzle check pattern and perform any necessary maintenance operations
    such as print head cleaning.
    Print the nozzle check pattern to determine whether the ink ejects properly from the print head nozzles.
    For details on printing the nozzle check pattern, print head cleaning, and print head deep cleaning, see 
    If Printing
    Is Faint or Uneven .
    
    						
    							If the problem is not resolved after performing print head deep cleaning, turn off the machine and performprint head deep cleaning again 24 hours later.
    						
    							Lines Are Misaligned
    Check1 Check paper and print quality settings.
    Print Results Are Unsatisfactory
    Check2 Perform print head alignment.
    If printed lines are misaligned or print results are otherwise unsatisfactory, adjust the print head position.
    Aligning the Print Head
    Note
    
    						
    							Lines Incomplete or Missing (Windows)
    Check1 Are you using Page Layout Printing or Binding Margin function?
    When the Page Layout Printing or Binding margin function is in use, thin lines may not be printed. Try thickening
    the lines in the document.
    Check2  Is print data extremely large?
    Click  Print Options  on Page Setup  sheet of the printer driver. Then set  Prevention of Print Data Loss to On in
    the dialog that appears.
    * This may reduce print quality.
    885 
    						
    							Images Incomplete or Missing (Windows)
    Check1 Select setting not to compress printing data.
    If you select the setting not to compress the printing data with an application software you are using, the printing result may be improved.
    Click  Print Options  on Page Setup  sheet of the printer driver. Select  Do not allow application software to
    compress print data  check box and click OK.
    * Clear the check box once printing is complete.
    Check2  Is print data extremely large?
    Click  Print Options  on Page Setup  sheet of the printer driver. Then set  Prevention of Print Data Loss to On in
    the dialog that appears.
    * This may reduce print quality.
    886 
    						
    							Ink Blots / Paper Curl
     Ink Blots
     Paper Curl
    Check1 Check paper and print quality settings.
    Print Results Are Unsatisfactory
    Check2 If intensity is set high, reduce intensity setting and try printing again.
    If you are printing with a high intensity setting on plain paper, the paper may absorb too much ink and become
    wavy, causing paper abrasion.
    
    						
    							Paper Is Smudged / Printed Surface Is Scratched
     Paper Is Smudged
    Smudged EdgesSmudged Surface
     Printed Surface Is Scratched
    Check1 Check paper and print quality settings.
    Print Results Are Unsatisfactory
    Check2 Check paper type.
    
    						
    							To open the printer driver setup window, see How to Open the Printer Driver Setup Window.
    						
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