He was late()the traffic jam.
He was late()the traffic jam.
—Sorry I’m late, but I got caught in a traffic jam.
—That’s all right.______
A laser printer keeps displaying, ‘Paper Jam – Front Door’. It does not matter which tray or paper type the printer is using. Which of the following is the MOST likely reason why the printer is having this issue?()
Which of the following should the technician do FIRST when removing a paper jam?()
激光打印机如显示“paper jam”,代表()。
HUB的功能包括()。 a.从网卡接收信号,并将之再生和广播到其上每一接口 b.自动检测碰撞的产生,并发出阻塞Jam信号 c.自动隔离发生故障的网络工作站 d.连接网卡,使网络工作站与网络之间形成点对点的连接方式
A technician has resolved a paper jam. After the jam is cleared, the display continues to indicate that the printer is jammed. Which of the following should be performed NEXT?()
HUB的功能包括()。 a.从网卡接收信号,并将之再生和广播到其上每一接口 b.自动检测碰撞的产生,并发出阻塞Jam信号 c.自动隔离发生故障的网络工作站 d.连接网卡,使网络工作站与网络之间形成点对点的连接方式
热敏传真机进入维修状态显示信息:PAPER JAM,应是()