日韩欧美亚洲 _ 欧美亚洲一区 _ 日本亚洲欧美 _ 亚洲精品欧美 国产白袜脚足J棉袜在线观看_亚洲熟妇av一区二区三区_久久天天躁狠狠躁夜_精品众筹模特私拍在线

單項選擇題

A laser printer has an error tray two paper jam but tray two does not have any paper in it. Which of the following should the technician do FIRST? ()

A. Replace the tray two paper sensor and run the printer self test.
B. Remove the tray two paper sensor and clean the printhead.
C. Check the tray two paper sensors for blockage and run the printer self test.
D. Check the tray two paper rollers for blockage, clean the printhead, and run the printer self test.

微信掃碼免費搜題