iDP3420/3421/3423 User’sMa nual
CITIZEN
DAILYM AINTENANCE
•Priortostartingmaintenancework,besuretoturnoffthemainbody.
•Use a dry soft cloth t o wipe off stains and dust fr om the surfaces of the mai nb ody case. For severe
soiling, dip the cloth in water and wring it, for wiping off the soil. Neveruse org anic solvent s, such a s
alcohol, thinner, trichlene, b enzene, ketone, or chemical dusters.
•If the equipment is conta minated with paper powder, usea soft brush t o clean it.