Canon printer PIXMA MG6821 User Manual
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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.