Which of the following components is part of the ink dispersion system？（）

多项选择题Duringthephotoconductorpreparationstep，residualchargecanberemovedbywhichofthefollowing？（）

A.Pressure
B.Oil
C.Light
D.Gravity
E.Electrical Charge

单项选择题InwhichofthefollowingsectionsofanMFPwouldatechnicianfindaXenonLamp？（）

A.The paper feed section
B.The fuser section
C.The scanner section
D.The transfer section

单项选择题Apolygonmirrorispartofwhichofthefollowingassemblies？（）

A.Laser unit
B.Developer unit
C.Charge assembly
D.Fuser assembly

单项选择题Acustomerhasinstalledanewcomputerontheirnetwork.Theycanprinttotheprinterbuttheoptionforduplexprintingisnotavailable.Allothercomputershavetheoption.Whichofthefollowingisthecauseoftheproblem？（）

A.The new computer is printing to the wrong IP address.
B.The new computer is using the wrong protocol.
C.The driver port is not setup correctly.
D.The option has not been selected on the driver.

单项选择题Whenisitadvisabletodumpthewastetonerfromatechniciansservicevacuum？（）

A.When it is full.
B.It is not recommended.
C.Before performing preventative maintenance.
D.After each call.