Canon PIXMA MG6821 User Manual - Page 879

Cannot Complete Printing Check1 Select setting not to compress printing data. (Windows) 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 the 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? (Windows) 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. Check3 Your hard disk may not have sufficient free space to store job. Delete unnecessary files to free up disk space. 879