IBM 6400-I15 Maintenance Manual - Page 350
Preperation, Prepare the Printer for Inspection, Electrical Safety for IBM Customer Engineers
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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: 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. 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 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
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