A:Excuse me, (sir )
B:What's the matter?
A:(This printer just doesn't work. )
B:OK. Let me see.Oh, the pringer isn’t connected to the computer.
A:Can you help me connect it to the computer, please?
B:( Of course). This is the information line, and this is the power line.
A:Oh,the computer says there is a new hardware.
B:Do you have a CD of drivers?
A:yes. ( Here you are. )
B:OK, the printer can work now.
A:(Thank you very much.)
B:Not at all.