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？（）AReplace the printer.BReplace print head assembly.CClean the print head.DUse a different brand of paper.
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.
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