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单选题
Which of the following item colorizes the paper using a two-component laser printer？ （）
A
toner
B
laser beam
C
developer
D
ribbon
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单选题A user reports that the laser printer is constantly jamming on humid days. Which of the following is the MOST likely resolution to the problem?（）A
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单选题A laser printer prints pages with a gray background. Which of the following is the MOST possible cause of the problem? （）A
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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
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单选题Which of the following should be avoided when installing a laser printer?（）A
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单选题Which of the following item colorizes the paper using a two-component laser printer？ （）A
tonerB
laser beamC
developerD
ribbon
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The paper is sticking to the corona wire and causing the jam.B
Humidity is causing the paper to stick together.C
A4 paper is being used and may not be supported by laser printers.D
The fusion roller is dirty and pulling too many sheets of paper.
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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Which of the following will MOST likely happen if a laser printer displays ‘15% fuser remaining’?（）A
The printer will print according to specification.B
The printer will stop printing immediately.C
The printer will take longer to print.D
The printer will print blank sheets of paper
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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.
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