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單項(xiàng)選擇題

A user is printing pictures to the color laser printer and the bottom half of the picture is faded. The printer is displaying no errors. Which of the following is the MOST likely resolution to the problem?（）

A. Replace the printer ribbon.
B. Replace the pickup assembly.
C. Replace the fuser.
D. Replace the print head.

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單項(xiàng)選擇題

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. Replace the paper with thinner paper.
B. Replace the toner cartridges.
C. Replace the fuser.
D. Replace the print heads.

單項(xiàng)選擇題

When setting up a new small office home office (SOHO) wireless network, which of the following is MOST likely to be the default wireless channel?（）

A.2
B.5
C.6
D.9

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