Printronix SL4M Quick Setup Manual page 5

AC Power
Receptacle
3. At the rear of the printer, connect the desired interface cable to
the appropriate connector and the host computer.
WARNING
Failure to properly ground the printer may result in electric
shock to the operator.
In compliance with international safety standards, this printer
has been equipped with a three-pronged power cord. Do not
use adapter plugs or remove the grounding prong from the
cable plug. If an extension cord is required, ensure that a
three-wire cable with a properly grounded plug is used.
4. Plug the AC power cord into the AC power receptacle.
5. Plug the AC power cord to a grounded (three prong) electrical
outlet of the proper voltage. (Do not turn on the printer yet.)
Rear View
Ethernet Interface
(optional)
IEEE1284 Parallel
Interface
USB Connection
RS-232 Serial
Interface
5