Clean the platen glass and the underside of the feeder by following the procedure below.
Remark
When cleaning the machine, first turn OFF the main power switch, and disconnect the power cord. Failure to observe these steps may result in a fire or electrical shock..
Open the feeder.
Clean the platen glass and the underside of the feeder with a cloth dampened with water. Then, wipe the area with a soft, dry cloth.
Do not dampen the cloth too much, as this may tear the document or damage the machine.