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CompTIA認(rèn)證考試PD0-001單項(xiàng)選擇題每日一練(2019.01.22)

單項(xiàng)選擇題
A customer is concerned about excessive media jamming in their device. Which of the following is the FIRST thing a technician should check？（）
A.Media feed rollers
B.Cassette drawers
C.Fusing section
D.Device log data
單項(xiàng)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
單項(xiàng)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
單項(xiàng)選擇題
Which of the following stages in the laser print process attracts toner to the latent image on the photoconductor？（）
A.Writing
B.Fusing
C.Development
D.Transfer
單項(xiàng)選擇題
Scheduled preventative maintenance visits should be carried out：（）
A.after two unplanned service calls.
B.according to manufacturers specifications.
C.when the device is becoming unreliable.
D.every sixty days.