单项选择题
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？（）
单项选择题 Ashippingdepartmentisreportingthatalaserprinterinthereceivingareaisbecomingjammedbecausetheprinterattemptstopullseveralsheetsofpaperforeachprint.Whichofthefollowingmaybethecause？（）
单项选择题 Atechnicianreceivesanewprinterforrepairandtheworkorderstatesthatwhenpoweredontheprintermakesaloudnoiseandwillnotprint.Whichofthefollowingactionsshouldthetechniciantake？（）