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单选题
A color laser printer is producing pages where the ink smears when touched. Which of thefollowing components should be replaced?（）
A
Paper tray
B
Fuser
C
Toner
D
Drum
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单选题A user states that the laser printer is leaving a black line on all pages being printed. Which of thefollowing is the MOST likely cause and solution for this issue?（）A
Faulty driver; reinstall or update driverB
Bad fuser; place service call to printer manufacturer.C
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Deteriorating rollers and worn brushes; replace rollers and brushes.
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单选题A laser printer keeps displaying, ‘Paper Jam – Front Door’. It does not matter which tray or paper type the printer is using. Which of the following is the MOST likely reason why the printer is having this issue?（）A
The printer fuser assembly needs to be replaced.B
The pickup rollers no longer have pickup grip.C
Something is stuck inside of the pickup assembly.D
The printer needs to have the toner cartridge replaced.
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单选题A laser printer keeps printing out crumpled pages from the third tray. Which of the following is the MOST likely explanation?（）A
The pickup rollers need to be replaced.B
The paper is too wide for the tray.C
The toner cartridge is leaking.D
The pickup assembly is missing.
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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？（）A
Replace the printer.B
Replace print head assembly.C
Clean the print head.D
Use a different brand of paper.
考题
单选题Which of the following should be avoided when installing a laser printer?（）A
Surge protectorB
UPSC
RJ-45 connectorD
Toner
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单选题A customer states that they cannot print from their laser printer. The printer displays a ‘Paper Jam’ error. Upon inspection there is no paper jam. The only indication is a clicking sound when the user tries to print. Which of the following is the MOST likely cause?（）A
Feed roller gear is broken.B
Feed rollers are dirty.C
Fuser has overheated.D
Toner cartridge needs to be replaced.
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单选题A user reports that printed pages are smearing after the pages come out of a laser printer. Which of the following is the MOST likely problem?（）A
The corona wire is not supplying the correct voltage.B
The fuser is not reaching the correct temperature.C
The paper is card stock and is too thick.D
The paper has a humidity content that is too low.
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