Be careful not to injure your hand on parts inside the printer.
Do not press the glass surface of the scanner with any force.
Be careful not to scratch or damage the glass surface of the scanner, and do not use a hard or abrasive brush to clean it. A damaged glass surface can decrease the scan quality.
Do not touch the clear sheet inside the printer.
Never use alcohol, thinner, or corrosive solvent to clean the scanner. These chemicals can damage the scanner components.
Be careful not to spill liquid into the scanner mechanism or electronic components. This could permanently damage the mechanism and circuitry.
Do not spray lubricants inside the scanner.