Precautions during cleaning:
a) ensure that all power supplies are disconnected and that the cut-off switch of the main circuit is locked before cleaning the machine;
b) Do not clean hot machine parts (such as hot air heads and heaters) with flammable cleaning liquids, otherwise these liquids may be quickly ignited and cause serious casualties;
c) When cleaning electrical components and circuit boards, please be careful to avoid any liquid spraying on the circuit board.