7-27.2 Cleaning the ADFFrom time to time, the Friction Roller and the Feeding Rollersmay be contaminated with ink, toner particles, or paper dust.In this case, the paper may not be fed smoothly. Pleasefollow the following steps to clean the Friction Roller and theFeeding Rollers to ensure the best of the scanner.The Cleaning Steps:1. Soak a clean cloth with some isopropyl alcohol (95%).2. Press the ADF Release button and open the front door.