ADF if you experience paper feed or scanned image quality problems,
or you see a message on your computer telling you to clean it.
Do not use a hard brush, alcohol, or paint
thinner to clean the product or you may damage it. Do not use oil
or other lubricants inside the product or let water get inside it.
Do not open the product case. Do not press the surface of the
scanner glass with any force and be careful not to scratch or
damage the scanner glass. A damaged glass surface can decrease the