Which of the following printers uses a charged drum to transfer toner to paper？（）

Whichofthefollowingitemcolorizesthepaperusingatwo-componentlaserprinter？（）

A.ribbon
B.developer
C.laser beam
D.toner

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Whichofthefollowingprintersspraysthepaper？（）

A.impact
B.laser
C.thermal
D.solid ink
E.ink jet

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