单选题
A customer is concerned about excessive media jamming in their device. Which of the following is the FIRST thing a technician should check？（）
Media feed rollers
Cassette drawers
Fusing section
Device log data
单选题
When arriving at the customers location， two different users describe the problem， and from their description it seems to be two separate problems. Which of the following is an appropriate step to take？（）
Ignore both of them and decide what the real problem is.
Set up a separate call for each problem.
Have them duplicate the problem at the device.
Ask a third person and see if the problem is the same thing.
单选题
An encoder sensor typically detects：（）
paper position.
shaft rotation.
magnetic flux.
laser beam strength.
单选题
Which of the following stages in the laser print process attracts toner to the latent image on the photoconductor？（）
Writing
Fusing
Development
Transfer
多选题
During the photoconductor preparation step， residual charge can be removed by which of the following？（）
Pressure
Oil
Light
Gravity
Electrical Charge
单选题
Which of the following items can be used as a discharge lamp？（）
Halogen lamp
Light Emitting Diodes （LED）
Fuser lamp
Cleaning roller
单选题
Which of the following type of lamp is used for heating a fuser？（）
Xenon
Halogen
Incandescent
Light Emitting Diode
单选题
Which of the following components is part of the ink dispersion system？（）
Print Heads
Cleaning heads
Pickup Roller
Charge Assembly
单选题
Scheduled preventative maintenance visits should be carried out：（）
after two unplanned service calls.
according to manufacturers specifications.
when the device is becoming unreliable.
every sixty days.
单选题
Which of the following functions is associated with the developer unit？（）
Supplies toner to the photoconductor
Charges the surface of the photoconductor
Writes the latent image on the photoconductor
Cleans the photoconductor
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