GENERAL PRECAUTIONS

IWARNING
Do not attempt any maintenance or troubleshooting other than that mentioned in this manual.
This machine contains alaser beam generator and direct exposure to laser beams can cause
permanent eye damage.
1. POWER AND GROUNDING
Pay attention to the following.
Power Supply
1. Power requirement: 115 t20 Vat, 60 f1Hz
2. Insert the power plug securely into the wall socket.
3. Do not step on or set anything on the power cord.
4. Do not connect other equipment to the same socket.
5. If an extension cord must be used, it must have acapacity
of more than 125 V/15 Aand must be less than 5.5 yards
long.
6. Do not connect other equipment to the same extension
cord.
7. Be sure that the power cord is not in aposition where it
would trip someone.
8. Grounding
Ground the machine and the lightning protection circuit according to regulations.
Do not ground to gas or water pipes, or to atelephone ground lug.
Proper grounding is to the ground terminal of the power outlet. Be sure that the ground terminal of the
power outlet is properly grounded.
The lightning protection circuit for the machine requires the machine to be properly grounded. If
proper grounding is provided, about 90% of lightning damage can be prevented. For safety, be sure to
connect the machine to athree-prong grounded outlet.