Canon PIXMA MG6821 User Manual - Page 890

To open the printer driver setup window, see How to Open the Printer Driver Setup Window. ◦ For Mac OS: In the Canon IJ Printer Utility, select Custom Settings in the pop-up menu, select Prevent paper abrasion check box, and then click Apply. To open the Canon IJ Printer Utility, see Opening the Canon IJ Printer Utility. Check5 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. • Printing from your computer Check the intensity setting in the printer driver. ◦ For Windows: Adjusting Intensity ◦ For Mac OS: Adjusting Intensity • Copying Setting Items for Copying Check6 Do not print outside recommended printing area. If you print outside the recommended printing area of your paper, ink may stain the lower edge of the paper. Resize the document using application software. Printing Area Check7 Is platen glass dirty? Clean the platen glass. Cleaning the Platen Glass and Document Cover Check8 Is paper feed roller dirty? Clean paper feed roller. Cleaning the Paper Feed Roller Note • Cleaning the paper feed roller abrades it, so do this only when necessary. Check9 Is inside of machine dirty? During duplex printing, ink may stain the inside of the machine, smudging the printout. Perform bottom plate cleaning to clean inside of machine. Cleaning the Inside of the Machine (Bottom Plate Cleaning) Note • To prevent staining inside the machine, be sure to set the correct paper size. Check10 Set longer ink drying time. 890