When servicing a printer, a technician touches the back of the printer and the computer at the same time and receives a voltage shock. The technician discovers that there is a 120 volt alternating current (AC) between the computer and the printer. Which of the following actions should the technician take?

A.
Report the incident to an electrician.

B.
Open both wall outlets to determine whether there is a short.

C.
Replace the printer power supply.

D.
Replace the computer power supply.