单项选择题
A.Green B.Magenta C.Yellow D.Black
Whichofthefollowingisthepurposeofatorquelimiterinarolle...
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.
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
