Cleaning the ADF (Auto Document Feeder)ImportantBe sure to turn off the power and disconnect the power plug before cleaning the machine.- The power cannot be turned off while the machine is sending or receiving a fax, or when unsentfaxes are stored in the machine's memory. Make sure if the machine completed sending orreceiving all the faxes before disconnecting the power plug.- The machine cannot send or receive faxes when the power is turned off.- If the power plug is disconnected, the date/time settings will be reset and all documents stored inthe machine's memory will be lost. Send or print a necessary document, or save it on a USB flashdrive before disconnecting the power plug.Do not use tissue paper, paper towels, rough-textured cloth, or similar materials for cleaning so asnot to scratch the surface. Be sure to use a soft and dry cloth.Never use volatile liquids such as thinners, benzene, acetone, or any other chemical cleaner to cleanthe machine, as this may cause a malfunction or damage the surface of the machine.1. Open the document tray.2. Open the document feeder cover.3. With a soft, clean, lint-free and dry cloth, wipe off any paper dust from the inside ofthe document feeder cover (A).