Never use alcohol, thinner, or any corrosive solvent to clean the scanner. Deformation or discoloration may occur.
Never spray any liquid or lubricant on the scanner. Damage to equipment or circuits may cause abnormal operations.
Never open the scanner case.
Pull the lever and open the scanner cover.
Wipe off any stains on the sensors with a cotton swab.
Do not use liquid such as a cleaner on a cotton swab.
Close the scanner cover.