Points to Note about Turning Off the Main Power SwitchThis equipment does not have a main power switch, but it has only a leakage breaker. This equipment is powered when the mainpower switch of the host machine is turned on. The leakage breaker detects overcurrent and power leakage.NOTE:Explain to the customer that the leakage breaker must be checked once or twice a month and the result must be recorded.Leakage BreakerNotes Before ServicingCAUTION:At servicing, be sure to turn off the power source according to the specified steps and disconnect the power plug.CAUTION:Do not turn off the power switch when downloading is under way. Turning off the main power switch while downloading isunder way can disable the machine.Notes On Assembly/DisassemblyFollow the items below to assemble/disassemble the device.1. Disconnect the power plug to avoid any potential dangers during assembling/disassembling works.2. If not specially instructed, reverse the order of disassembly to reinstall.Safety Precautions2