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多項選擇題

Which of the following is included in the typical laser printer maintenance kit?（）

A. Print head
B. Toner
C. Fuser
D. Main drive assembly
E. Pickup rollers

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單項選擇題

A laser printer prints pages with a gray background. Which of the following is the MOST possible cause of the problem? （）

A.Transfer roller
B.Paper type
C.Print head
D.Fuser

單項選擇題

A printer is not pulling paper out of the paper tray. Which of the following is the MOST possible cause of the problem? （）

A. Pickup rollers
B. Print head
C. Drum
D. Fuser