scanner regularly to make sure that no dust builds up on the glass
scanning surfaces. Dust can cause spots or lines in your scanned
illustrations show the ES-500W/ES-500WR, but the
instructions are the same for the ES-400.
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