b. A second star washer must be between frame ground and the wire lug.
c. The power cord should be the appropriate type, shipped for the 4247 printer.
d. Insulation must not be frayed nor worn.
6. Remove the covers. See “Printer Covers” on page 347.
7. Check that the power supply cover has not been removed nor tampered with.
8. Check for any obvious non-IBM alterations. Use good judgement about the safety of any non-IBM alterations.
9. Check inside the unit for any obvious unsafe conditions, such as metal-filing contamination, water or other
liquids, or signs of fire or smoke damage.
10. Check for worn, frayed, or pinched cord or cables.
Safety Information 16
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