When the copies or scanned images are smeared, clean the scanner glass.
Be careful not to trap your hand or fingers when opening or closing the document cover. Otherwise you may be injured.
Never use alcohol or thinner to clean the printer. These chemicals can damage the printer.
Open the document cover.
Use a soft, dry, clean cloth to clean the surface of the scanner glass.
If the glass surface is stained with grease or some other hard-to-remove material, use a small amount of glass cleaner and a soft cloth to remove it. Wipe off all remaining liquid.
Do not press the glass surface too hard.
Be careful not to scratch or damage the surface of the glass. A damaged glass surface can decrease the scan quality.