试题详情
- 单项选择题Which of the following should the technician do FIRST when removing a paper jam?（）
A、Open all the doors in the printer.
B、Clear the print queue.
C、Turn the printer off.
D、Take the printer offline.
- C
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A、Open all the doors in the printer.
B、Clear the print queue.
C、Turn the printer off.
D、Take the printer offline.
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