单项选择题

A.fuserB.ozone filterC.transfer coronaD.primary coronaA……

A technician is performing scheduled preventive maintenance on a laser printer. Which of the following should the technician clean or replace？（）

A.fuser
B.ozone filter
C.transfer corona
D.primary corona

<上一题目录下一题>

热门试题

单项选择题Whichofthefollowingistheprocessascannerusestoscanimagestoacomputer？（）

A.Light is shown through the image and onto the scanner head
B.Light is reflected off a mirror onto the Charged Coupled Device （CCD）
C.Light is flashed off a mirror onto the CCD
D.Light is reflected off the image and into a camera