Take a sheet of A4 or Letter-sized plain paper. Fold the paper in half widthwise and then open it.
Load the folded sheet into the auto sheet feeder (ASF) with the opened side facing the front.
Press the <Menu> button.
Use the (Up) or (Down) button to select [Maintenance], then press the <OK> button. The Maintenance screen is displayed.
Use the (Up) or (Down) button to select [Bottom plate cleaning] then press <OK>.
Use the or to select [Yes] then press the 'OK' button to start bottom plate cleaning.
Note: Do not do other operations until bottom plate cleaning is completed.
Inspect the discharged paper. If ink can be seen on the paper, repeat the cleaning process.
If the discharged paper is still dirty after you have run this cleaning process a second time, the inside of the machine is probably dirty. In this case, clean the inside of the machine using a swab.