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Ricoh PJ WX4153N にも： マニュアル (28 ページ)

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Ricoh PJ WX4153N 安全情報マニュアル
1. Safety Information for This Machine
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The surface of the lamp unit is hot, so do not touch it except when having to replace the lamp.
To replace the lamp, first unplug the power cord then wait for more than 1 hour.
When replacing the lamp, never touch the surface on or around the lamp unit, including its handle, for
at least one hour. The surface becomes very hot, and it takes time to return to normal temperature.

Power Switch Symbols

The meanings of the symbols for the switches on this machine are as follows:
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: STANDBY
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