IBM 6400i Setup Manual page 5

Safety Notices
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CAUTION:
This product is equipped with a 3-wire power cord and plug for the user's safety. Use this power
cord in conjunction with a properly grounded electrical outlet to avoid electrical shock.
DANGER:
Before powering on the printer ensure the printer is plugged
into an appropriate power source. Refer to Chapter 2 of the
Setup Guide for information on the proper source.
Switch off the printer power and unplug the printer power
cord before cleaning the printer.
Do not connect or disconnect any communication port,
teleport, attachment connector, or power cord during an
electrical storm.
Power off the printer and disconnect the power cord before
connecting or disconnecting any communication port,
teleport, or attachment cable connector.