CompTIA认证考试PD0-001单项选择题每日一练(2019.01.07)

单项选择题
Which of the following functions is associated with the developer unit？（）
A.Supplies toner to the photoconductor
B.Charges the surface of the photoconductor
C.Writes the latent image on the photoconductor
D.Cleans the photoconductor
单项选择题
Which of the following types of media would MOST likely cause above normal amounts of machine jamming？（）
A.Envelopes
B.Colored media
C.Letterhead
D.Pre punched
单项选择题
Which of the following is the purpose of a torque limiter in a roller？（）
A.To reduce wear and tear on rollers.
B.To provide resistance but still allow some slippage.
C.To limit the amount of movement by media.
D.To make it easier to replace rollers.
单项选择题
Which of the following is the FIRST step a technician should take when troubleshooting a device issue？（）
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.
单项选择题
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