單項選擇題

Which of the following items can be used as a discharge lamp？（）

A.Halogen lamp
B.Light Emitting Diodes （LED）
C.Fuser lamp
D.Cleaning roller

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單項選擇題

Which of the following failed components would be responsible for the fuser unit not heating properly？（）

A.Halogen lamps
B.Ball bearing
C.Hot roller
D.Pressure roller

單項選擇題

Which of the following devices can route electrical signals only when activated by an external control signal？（）

A.Solenoid
B.Relay
C.Clutch
D.Capacitor

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