单项选择题
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.
Thepolygonmirrorislocatedinwhichofthefollowingcomponent...
单项选择题The polygon mirror is located in which of the following components？（）
A.Developer unit B.Scanner unit C.Fuser unit D.Laser unit
Acustomerisconcernedaboutexcessivemediajammingintheirde...
单项选择题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
Thepropersafetyguidelinesforhandlinganydevicespecificco...
单项选择题The proper safety guidelines for handling any device specific consumables can be found in which of the following documentation？（）
A.Material Safety Data Sheets B.Installation Guides C.Consumer Reports D.Devices Parts Catalog
