Alaserprinterissentforrepairandtheworkorderindicatesthatthereisanimageprintingproblem.WhichofthefollowingshouldatechniciandoFIRSTtoconfirmthisproblem？（）A.Run the calibration feature on the laser printer.B.Run a self-test image page from the printer.C.Clean the corona wire and return printer.D.Print a test page from a computer.

单项选择题

A laser printer is sent for repair and the work order indicates that there is an image printing problem. Which of the following should a technician do FIRST to confirm this problem？（）

A.Run the calibration feature on the laser printer.
B.Run a self-test image page from the printer.
C.Clean the corona wire and return printer.
D.Print a test page from a computer.

220-604