Prepare The Printer For Inspection - IBM 6400 series Maintenance Manual

Preparation
You must have completed the "Electrical Safety Training Course for IBM
Customer Engineers" (self-study course 77170 or existing level) to do the
Safety Inspection.
Have the following items available:
1. Electrical Safety for IBM Customer Engineers , Order No. S229–8124.
2. A Fluke** meter (P/N 8496278) or similar device for resistance and
voltage measurements.
3. An ECOS** Electrical Safety Tester (P/N 6339695) in the United States
or a similar safety tester in other countries.
For each safety check on the following pages, do the steps in the order
presented. Do not omit any steps.

Prepare the Printer for Inspection

DANGER:
<3> Hazardous voltages are present in the printer with the power cord
connected to the power source. Switch off printer power and unplug the
printer power cord before proceeding.
<4> Do not connect or disconnect any communication port, teleport,
attachment connector, or power cord during an electrical storm.
<5> Power off the printer and disconnect the power cord before connecting
or disconnecting communication port, teleport, or attachment cable
connector.
1. Have the operator take the printer off-line.
2. Power off the printer.
3. Unplug the printer power cord from the customer's power outlet.
350 Safety Inspection Guide