单选题A technician receives a dot matrix printer for repair and the work order states that the printer is only printing one-half of each character. Which of the following should the technician replace？（）Aprint headBfuserCinjectorDprint nozzle
单选题
A technician receives a dot matrix printer for repair and the work order states that the printer is only printing one-half of each character. Which of the following should the technician replace？（）
A
print head
B
fuser
C
injector
D
print nozzle
参考解析
解析：
暂无解析
相关考题：
Which of the following should the technician do FIRST when removing a paper jam?() A. Open all the doors in the printer.B. Clear the print queue.C. Turn the printer off.D. Take the printer offline.
Which of the following are impact printers?() A. Line printerB. Dot matrix printerC. Thermal transfer printerD. Inkjet printerE. Xerographic printer
Which of the following types of printers uses a fuser to print a document?() A. ThermalB. LaserC. InkjetD. Dot Matrix
A technician just finished installing a new printer on an end user’s computer. Which of thefollowing will enable the technician to see the test page option for the printer?（）A、Right-click on the printer and select PropertiesB、Double click on the printer iconC、Right-click on the printer and select Set as DefaultD、Right-click on the printer and select Open
A technician receives a computer for repair and observes that the fan on the power supply is not moving. Which of the following should the technician do？ （）A、Move the power supply voltage switch to 220 volts.B、Add an additional fan to help cool the computer.C、Replace the cable that attaches the power supply to the motherboard.D、Replace the power supply.
A technician receives a dot matrix printer for repair and the work order states that the printer is only printing one-half of each character. Which of the following should the technician replace？（）A、print headB、fuserC、injectorD、print nozzle
A technician receives a new printer for repair and the work order states that when powered on the printer makes a loud noise and will not print. Which of the following actions should the technician take？ （）A、Install new drivers on the computer.B、Install a new ink cartridge.C、Install a print head on the printer.D、Remove the packing tape from the print head.
Which of the following are impact printers?（）A、Line printerB、Dot matrix printerC、Thermal transfer printerD、Inkjet printerE、Xerographic printer
A customer reports that a networked printer is not printing documents. The technician successfullypings the printer’s IP address. Which of the following could be the problem? (Select TWO).（）A、The network cable is unplugged.B、The printer is low on toner.C、The gateway address on the printer is incorrect.D、The printer is out of paper.E、The spooler is not functioning.
When connecting a laser printer to a network for the first time， a technician should FIRST：（）A、configure the network settings on the printer.B、ensure the cable is set to TCP/IP.C、enable the printer in the BIOS.D、configure the printer as bi-directional in Windows.
A user reports that when trying to print a document nothing comes out of the printer and states that the only printer in the printer dialog box is ’Microsoft Office Document Image Writer.’ The technician should understand that the problem is that the printer： （）A、has not been installed on the user’s computer.B、is not turned on.C、driver is corrupt.D、cable is unplugged.
Several users report that they are unable to print to a new printer recently installed. The technician is unable to ping the printer. Which of the following is the MOST likely cause?（）A、No IP address on the printerB、Paper jam in the paper feed trayC、Improper DNS settings on the printerD、Broken LCD screen on the printer
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.
A laser printer has a vertically repetitive print defect. Before attempting to repair the printer，a technician should determine：（）A、the distance between the spots.B、which paper tray was used to print the document.C、which driver was used to print the document.D、which application was used to print the document.
Which of the following should the technician do FIRST when removing a paper jam?（）A、Open all the doors in the printer.B、Clear the print queue.C、Turn the printer off.D、Take the printer offline.
A technician is setting up a new inkjet printer and notices that the images appear hazy. Which of the following should the technician perform FIRST to resolve the issue?（）A、Refill the cartridgesB、Replace the tonerC、Replace the network cableD、Calibrate the inkjet printer
Users have stated that all their printouts from a networked printer consist of random characters.The technician should:（）A、perform a virus scan.B、replace the fuser.C、reinstall the printer drivers.D、reinstall the printer firmware.
A technician is servicing a customer’s color laser printer and notices excess toner in the printer.Which of the following tools would BEST assist the technician in removing the excess toner?（）A、Damp towelB、Compressed airC、Alcohol wipeD、Computer vacuum
Which of the following types of printers uses a fuser to print a document?（）A、ThermalB、LaserC、InkjetD、Dot Matrix
A user reports that they are unable to print to a remote printer. Which of the following should the technician check FIRST？（）A、Printer driverB、Protocol stackC、Network connectivityD、Correct patch application
不定项题A customer reports that a networked printer is not printing documents. The technician successfullypings the printer’s IP address. Which of the following could be the problem? (Select TWO).（）AThe network cable is unplugged.BThe printer is low on toner.CThe gateway address on the printer is incorrect.DThe printer is out of paper.EThe spooler is not functioning.
单选题A user is unsatisfied with the quality of the repair that another technician has completed on their PC. Which of the following should be done to help the user?（）AAgree with the user’s complaintsBClarify the user’s statementsCMinimize the user’s criticismDShadow the other technician on the next repair
单选题A technician is performing scheduled preventive maintenance on a laser printer. Which of the following should the technician clean or replace？ （）AfuserBozone filterCtransfer coronaDprimary corona
单选题A laser printer has a vertically repetitive print defect. Before attempting to repair the printer，a technician should determine：（）Athe distance between the spots.Bwhich paper tray was used to print the document.Cwhich driver was used to print the document.Dwhich application was used to print the document.
单选题A technician receives a printer that is printing ink smudges on random sheets of paper. Which of the following should the technician try FIRST？（）AReplace the printer.BReplace print head assembly.CClean the print head.DUse a different brand of paper.
单选题A technician receives a new printer for repair and the work order states that when powered on theprinter makes a loud noise and will not print. Which of the following actions should the technician take？ （）AInstall new drivers on the computer.BInstall a new ink cartridge.CInstall a print head on the printer.DRemove the packing tape from the print head.
多选题Which of the following are impact printers?（）ALine printerBDot matrix printerCThermal transfer printerDInkjet printerEXerographic printer