A.Replace the power supply unit. B.Reseat the systems memory. C.Reset the proper jumper. D.Re-install the operating system.
单项选择题Whichofthefollowingistherecommendedmaintenanceforalaserprinter?()
A.Clean all fan filters; wipe down the paper path and re-adjust the corona wire. B.Clean all pickup rollers; re-adjust the corona wire and replace the fuser assembly. C.Clean all pickup rollers; replace the fuser assembly and clean all fan filters. D.Clean all pickup rollers; wipe down the paper path and clean all fan filters.
单项选择题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WhichofthefollowingmaycauseaprintertonotprintcorrectlyafterupdatingfromWindows98toWindowsXP?()
A.Incorrect printer driver. B.Printer needs calibration. C.Dirty printer head. D.Font settings on the printer.
单项选择题Wheninstallinganewscanner,WindowsXPdoesnotautomaticallyrecognizethescanner.Whichofthefollowingactionsshouldbetaken?()
A.Use the Scanners and Cameras Wizard to add the device. B.Enable the scanner in the BIOS. C.Add new printer Wizard. D.Ensure the scanner is not locked.
单项选择题Whenusinganinkjetprinter,auserreportsthatcolorsseemtobemissingintermittently.WhichofthefollowingisMOSTlikelythecause?()
A.The printer needs to be calibrated. B.There is a problem with the document being printed. C.The print head is clogged. D.An incorrect paper type is being used.