Cleaning the Inside of the Machine (Bottom Plate Cleaning)Remove stains from the inside of the machine. If the inside of the machine becomes dirty, printed papermay get dirty, so we recommend performing cleaning regularly.You need to prepare: a sheet of A4 or Letter-sized plain paper** Be sure to use a new piece of paper.1. Make sure that the power is turned on.2. Clean the inside of the machine.(1) Press the MENU button.(2) Select Setup, then press the OK button.LCD and Operation PanelThe setup menu screen will appear.(3) Select Maintenance, then press the OK button.The Maintenance screen will appear.(4) Select Bottom plate cleaning, then press the OK button.The confirmation screen will appear.(5) Select Yes, then press the OK button.(6) Follow the message to remove any paper from the cassette (lower), then pressthe OK button.(7) Fold a single sheet of A4 or Letter-sized plain paper in half widthwise, thenunfold the paper.(8) Fold one side of the opened paper in another half, aligning the edge with thecenter crease, unfold the paper, then press the OK button.(9) Load only this sheet of paper in the cassette (lower) with the ridges of thecreases facing up and the edge of the half with no crease facing to the far side.