75Troubleshooting Printed Surface Is Scratched/Paper Is SmudgedCause ActionPaper Feed Roller is dirty. Clean the Paper Feed Roller. Cleaning the Paper Feed Roller will wear theroller, so perform this procedure only when necessary.For details on cleaning, see “Cleaning the Paper Feed Roller (Roller Cleaning)”on page 61.Inside of the machine is dirty. When performing duplex printing may leave some ink inside the machine,causing printouts to be smudged. In this case, perform Bottom Plate Cleaning toclean the inside of the machine.For details on cleaning, see “Cleaning the Inside of the Machine (Bottom PlateCleaning)” on page 64.Printing on inappropriate type of paper. z Check to see if the paper you are printing on is not too thick or curled.See “Media Types You Cannot Use” on page 9.z When performing Borderless Printing, print quality may be reduced at the topand bottom edges of the paper. Make sure that the paper you are using issuitable for Borderless Printing.For details, refer to “Printing Area” in the User’s Guide on-screen manual.Printing on thick paper. Selecting the Prevent paper abrasion setting will widen the clearance betweenthe Print Head and the loaded paper. If you notice abrasion even with the mediatype set correctly to match the loaded paper, set the machine to prevent paperabrasion by using the Operation Panel on the machine or the printer driver.** Deactivate the Prevent paper abrasion setting once printing is complete. Ifnot, this setting remains enabled for all subsequent print jobs.z Setting with the Operation Panel on the machineFrom the HOME screen, select Settings, Device settings, and Printsettings in this order, and then set Prevent paper abrasion to ON. Fordetails, refer to “Changing the Machine Settings” in the User’s Guide on-screen manual.z Setting with the printer driverRefer to “Print Results Not Satisfactory” in the User’s Guide on-screenmanual.Printing graphics with the Intensitysetting in the printer driver set too high.Especially if you are using plain paper to print images with high intensity, thepaper may absorb too much ink and become wavy, causing paper abrasion.When copying, refer to “Changing Intensity Setting” in the User’s Guide on-screen manual and reduce the Intensity setting. Then try printing again.When printing from your computer, refer to “Print Results Not Satisfactory” inthe User’s Guide on-screen manual.Printing beyond the recommendedprinting area.If you are printing beyond the recommended printing area of your printing paper,the lower edge of the paper may become stained with ink.For details on recommended printing area, refer to “Printing Area” in the User’sGuide on-screen manual.