53Routine Maintenance Cleaning the Inside of the PrinterIf the printed paper is smudged, the inside of the printer may be dirty.To always get best quality printing result, periodical cleaning of the inside of the printer isrecommended.You can clean this part in two ways:z See “Cleaning with the Printer Driver (Bottom Plate Cleaning)” on page 53.z See “Cleaning the Protrusions Inside the Printer” on page 56.z Cleaning with the Printer Driver (Bottom Plate Cleaning)This section describes how to clean the inside of the printer. If the inside of the printer becomesdirty, printed paper may get dirty, so we recommend performing cleaning regularly.NoteCleaning the Inside of the Printer without a ComputerThe Bottom Plate Cleaning can also be performed without a computer, using the RESUME/CANCEL button.1. Prepare two sheets of A4 or Letter-sized plain paper.2. Make sure that the printer is on, and then load only one sheet of paper in the RearTray.3. Fold the other paper in half widthwise, and then unfold it.4. Load the paper folded in step 3 on the paper loaded in step 2.Load the paper folded in step 3 with the open side facing up.5. Set the Paper Thickness Lever to the right. For details on the Paper Thickness Lever,refer to “Front View” in “Main Components” of the User’s Guide on-screen manual.6. Hold down the RESUME/CANCEL button until the Power lamp flashes green fivetimes, and then release it immediately.Bottom Plate Cleaning is performed and only the paper folded in step 3 is ejected.Check the folded part of the ejected paper. If it is smudged with ink, perform BottomPlate Cleaning again.When performing Bottom Plate Cleaning again, make sure to use a new piece ofpaper, and proceed from step 3.If the problem is not resolved after performing cleaning twice, the protrusions insidethe printer may be stained. Clean them according to instructions. See “Cleaning theProtrusions Inside the Printer” on page 56.