TROUBLESHOOTING COMPUTER ISSUES
IDENTIFYING HARDWARE SOFTWARE NETWORK PROBLEMS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The print ribbon is old and needs to be replaced.
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The print ribbon is not advancing properly.
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The print head needs to be replaced.
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The wrong print driver is installed.
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Detailed explanation-1: -You support an old dot-matrix printer at work. When the printer prints, there is always a blank horizontal line in the middle of each line of output. What is the most likely cause of the problem? The print head needs to be replaced.
Detailed explanation-2: -When you print documents on your laser printer, you see residue from previous images on the output. What two things are the most likely causes of this problem? (Choose two.) Seeing images from previous print jobs is a phenomenon called ghosting. It’s most likely due to a bad erasure lamp or a broken cleaning blade.
Detailed explanation-3: -Vertical Streaks or Lines Vertical white lines also can signal an obstruction that prevents the laser from imaging pages correctly. Resolving that problem can require cleaning elements of the laser assembly or replacing it altogether.
Detailed explanation-4: -What should you try if all of the computers on the network are having the same problem? If all the computers are having the same problem you should troubleshoot the router or switch first.