Chapter 3 Handling Thermal Head Clean the thermal head with a cotton swab moistened with an alcohol solvent (ethanol or IPA). • After printing, the thermal head and its surroundings can be very hot. Be careful not to touch it and to let it cool before you clean it. • Do not damage the thermal head by touching it with your fingers or any hard object. CAUTION Paper Exit Area Wipe off paper dust or glue with a slightly damp cloth. 74