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.

点击查看答案

上一题目录下一题

相关考题

单项选择题

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

单项选择题

Two users share the same Windows 7 computer. The first user creates a document intended to be used by both users, and then logs off. The second user logs on and types the name of the document in the Start menu, but the document is not found. Which of the following is the problem?（）

A. The document is set to hidden.
B. The document is locked.
C. The document was saved as a system document.
D. The document is owned by the first user.

单项选择题

Which of the following contains the user profile directory for Microsoft Windows 2000 and XP?（）

A. Users
B. My Documents
C. Documents and Settings
D. Application Data