iDP3420/3421/3423 User’s Manual
CITIZEN
DAILY MAINTENANCE
• Priortostartingmaintenancework,besuretoturnoffthemainbody.
• Use a dry soft cloth to wipe off stains and dust from the surfaces of the main body case. For severe
soiling, dip the cloth in water and wring it, for wiping off the soil. Never use org anic solvents, such as
alcohol, thinner, trichlene, benzene, ketone, or chemical dusters.
• If the equipment is contaminated with paper powder, use a soft brush to clean it.
