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

Whichofthefollowingdevicescanrouteelectricalsignalsonlywhenactivatedbyanexternalcontrolsignal？（）

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

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WhichofthefollowingistheFIRSTstepatechnicianshouldtakewhentroubleshootingadeviceissue？（）

A.Gather information from the customer.
B.Isolate the problem on the device.
C.Read the service documentation for possible causes.
D.Check the parts life counters.

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